diff --git a/package-lock.json b/package-lock.json
index 8a51a06..9b4a98f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -423,12 +423,6 @@
       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
       "dev": true
     },
-    "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
-      "dev": true
-    },
     "async-promise-queue": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/async-promise-queue/-/async-promise-queue-1.0.4.tgz",
@@ -1215,18 +1209,6 @@
         }
       }
     },
-    "base64-arraybuffer": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
-      "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg=",
-      "dev": true
-    },
-    "base64id": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
-      "dev": true
-    },
     "basic-auth": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.0.tgz",
@@ -1244,15 +1226,6 @@
         }
       }
     },
-    "better-assert": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-      "dev": true,
-      "requires": {
-        "callsite": "1.0.0"
-      }
-    },
     "binary-extensions": {
       "version": "1.11.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.11.0.tgz",
@@ -1271,12 +1244,6 @@
       "integrity": "sha1-+ZB5P76ajI3QE/syGUIL7IHV9Lk=",
       "dev": true
     },
-    "blob": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
-      "integrity": "sha1-vPEwUspURj8w+fx+lbmkdjCpSSE=",
-      "dev": true
-    },
     "bluebird": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
@@ -2073,12 +2040,6 @@
         "callsites": "^0.2.0"
       }
     },
-    "callsite": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA=",
-      "dev": true
-    },
     "callsites": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-0.2.0.tgz",
@@ -3781,74 +3742,6 @@
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
       "dev": true
     },
-    "engine.io": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.2.0.tgz",
-      "integrity": "sha512-mRbgmAtQ4GAlKwuPnnAvXXwdPhEx+jkc0OBCLrXuD/CRvwNK3AxRSnqK4FSqmAMRRHryVJP8TopOvmEaA64fKw==",
-      "dev": true,
-      "requires": {
-        "accepts": "~1.3.4",
-        "base64id": "1.0.0",
-        "cookie": "0.3.1",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.0",
-        "ws": "~3.3.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        }
-      }
-    },
-    "engine.io-client": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.2.1.tgz",
-      "integrity": "sha512-y5AbkytWeM4jQr7m/koQLc5AxpRKC1hEVUb/s1FUAWEJq5AzJJ4NLvzuKPuxtDi5Mq755WuDvZ6Iv2rXj4PTzw==",
-      "dev": true,
-      "requires": {
-        "component-emitter": "1.2.1",
-        "component-inherit": "0.0.3",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.1",
-        "has-cors": "1.1.0",
-        "indexof": "0.0.1",
-        "parseqs": "0.0.5",
-        "parseuri": "0.0.5",
-        "ws": "~3.3.1",
-        "xmlhttprequest-ssl": "~1.5.4",
-        "yeast": "0.1.2"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        }
-      }
-    },
-    "engine.io-parser": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.1.2.tgz",
-      "integrity": "sha512-dInLFzr80RijZ1rGpx1+56/uFoH7/7InhH3kZt+Ms6hT8tNx3NGW/WNSA/f8As1WkOfkuyb3tnRyuXGxusclMw==",
-      "dev": true,
-      "requires": {
-        "after": "0.8.2",
-        "arraybuffer.slice": "~0.0.7",
-        "base64-arraybuffer": "0.1.5",
-        "blob": "0.0.4",
-        "has-binary2": "~1.0.2"
-      }
-    },
     "ensure-posix-path": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/ensure-posix-path/-/ensure-posix-path-1.0.2.tgz",
@@ -7540,12 +7433,6 @@
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
       "dev": true
     },
-    "object-component": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/object-component/-/object-component-0.0.3.tgz",
-      "integrity": "sha1-8MaapQ78lbhmwYb0AKM3acsvEpE=",
-      "dev": true
-    },
     "object-copy": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/object-copy/-/object-copy-0.1.0.tgz",
@@ -7831,24 +7718,6 @@
       "integrity": "sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=",
       "dev": true
     },
-    "parseqs": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.5.tgz",
-      "integrity": "sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=",
-      "dev": true,
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
-    },
-    "parseuri": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.5.tgz",
-      "integrity": "sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=",
-      "dev": true,
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
-    },
     "parseurl": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
@@ -8843,97 +8712,231 @@
       }
     },
     "socket.io": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.1.1.tgz",
-      "integrity": "sha512-rORqq9c+7W0DAK3cleWNSyfv/qKXV99hV4tZe+gGLfBECw3XEhBy7x85F3wypA9688LKjtwO9pX9L33/xQI8yA==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.5.0.tgz",
+      "integrity": "sha512-gGunfS0od3VpwDBpGwVkzSZx6Aqo9uOcf1afJj2cKnKFAoyl16fvhpsUhmUFd4Ldbvl5JvRQed6eQw6oQp6n8w==",
       "dev": true,
       "requires": {
-        "debug": "~3.1.0",
-        "engine.io": "~3.2.0",
+        "debug": "~4.1.0",
+        "engine.io": "~3.6.0",
         "has-binary2": "~1.0.2",
         "socket.io-adapter": "~1.1.0",
-        "socket.io-client": "2.1.1",
-        "socket.io-parser": "~3.2.0"
+        "socket.io-client": "2.5.0",
+        "socket.io-parser": "~3.4.0"
       },
       "dependencies": {
+        "base64-arraybuffer": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
+          "integrity": "sha512-a1eIFi4R9ySrbiMuyTGx5e92uRH5tQY6kArNcFaKBUleIoLjdjBg7Zxm3Mqm3Kmkf27HLR/1fnxX9q8GQ7Iavg==",
+          "dev": true
+        },
+        "base64id": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+          "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
+          "dev": true
+        },
+        "blob": {
+          "version": "0.0.5",
+          "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+          "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==",
+          "dev": true
+        },
+        "component-emitter": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+          "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==",
+          "dev": true
+        },
+        "cookie": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
+          "dev": true
+        },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
           }
-        }
-      }
-    },
-    "socket.io-adapter": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-1.1.1.tgz",
-      "integrity": "sha1-KoBeihTWNyEk3ZFZrUUC+MsH8Gs=",
-      "dev": true
-    },
-    "socket.io-client": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.1.1.tgz",
-      "integrity": "sha512-jxnFyhAuFxYfjqIgduQlhzqTcOEQSn+OHKVfAxWaNWa7ecP7xSNk2Dx/3UEsDcY7NcFafxvNvKPmmO7HTwTxGQ==",
-      "dev": true,
-      "requires": {
-        "backo2": "1.0.2",
-        "base64-arraybuffer": "0.1.5",
-        "component-bind": "1.0.0",
-        "component-emitter": "1.2.1",
-        "debug": "~3.1.0",
-        "engine.io-client": "~3.2.0",
-        "has-binary2": "~1.0.2",
-        "has-cors": "1.1.0",
-        "indexof": "0.0.1",
-        "object-component": "0.0.3",
-        "parseqs": "0.0.5",
-        "parseuri": "0.0.5",
-        "socket.io-parser": "~3.2.0",
-        "to-array": "0.1.4"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+        },
+        "engine.io": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.6.0.tgz",
+          "integrity": "sha512-Kc8fo5bbg8F4a2f3HPHTEpGyq/IRIQpyeHu3H1ThR14XDD7VrLcsGBo16HUpahgp8YkHJDaU5gNxJZbuGcuueg==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "accepts": "~1.3.4",
+            "base64id": "2.0.0",
+            "cookie": "~0.4.1",
+            "debug": "~4.1.0",
+            "engine.io-parser": "~2.2.0",
+            "ws": "~7.4.2"
           }
-        }
-      }
-    },
-    "socket.io-parser": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
-      "integrity": "sha512-FYiBx7rc/KORMJlgsXysflWx/RIvtqZbyGLlHZvjfmPTPeuD/I8MaW7cfFrj5tRltICJdgwflhfZ3NVVbVLFQA==",
-      "dev": true,
-      "requires": {
-        "component-emitter": "1.2.1",
-        "debug": "~3.1.0",
-        "isarray": "2.0.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+        },
+        "engine.io-client": {
+          "version": "3.5.3",
+          "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.3.tgz",
+          "integrity": "sha512-qsgyc/CEhJ6cgMUwxRRtOndGVhIu5hpL5tR4umSpmX/MvkFoIxUTM7oFMDQumHNzlNLwSVy6qhstFPoWTf7dOw==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "component-emitter": "~1.3.0",
+            "component-inherit": "0.0.3",
+            "debug": "~3.1.0",
+            "engine.io-parser": "~2.2.0",
+            "has-cors": "1.1.0",
+            "indexof": "0.0.1",
+            "parseqs": "0.0.6",
+            "parseuri": "0.0.6",
+            "ws": "~7.4.2",
+            "xmlhttprequest-ssl": "~1.6.2",
+            "yeast": "0.1.2"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "dev": true,
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+              "dev": true
+            }
+          }
+        },
+        "engine.io-parser": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+          "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
+          "dev": true,
+          "requires": {
+            "after": "0.8.2",
+            "arraybuffer.slice": "~0.0.7",
+            "base64-arraybuffer": "0.1.4",
+            "blob": "0.0.5",
+            "has-binary2": "~1.0.2"
           }
         },
         "isarray": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=",
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ==",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+          "dev": true
+        },
+        "parseqs": {
+          "version": "0.0.6",
+          "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.6.tgz",
+          "integrity": "sha512-jeAGzMDbfSHHA091hr0r31eYfTig+29g3GKKE/PPbEQ65X0lmMwlEoqmhzu0iztID5uJpZsFlUPDP8ThPL7M8w==",
+          "dev": true
+        },
+        "parseuri": {
+          "version": "0.0.6",
+          "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.6.tgz",
+          "integrity": "sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow==",
+          "dev": true
+        },
+        "socket.io-client": {
+          "version": "2.5.0",
+          "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.5.0.tgz",
+          "integrity": "sha512-lOO9clmdgssDykiOmVQQitwBAF3I6mYcQAo7hQ7AM6Ny5X7fp8hIJ3HcQs3Rjz4SoggoxA1OgrQyY8EgTbcPYw==",
+          "dev": true,
+          "requires": {
+            "backo2": "1.0.2",
+            "component-bind": "1.0.0",
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "engine.io-client": "~3.5.0",
+            "has-binary2": "~1.0.2",
+            "indexof": "0.0.1",
+            "parseqs": "0.0.6",
+            "parseuri": "0.0.6",
+            "socket.io-parser": "~3.3.0",
+            "to-array": "0.1.4"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "dev": true,
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+              "dev": true
+            },
+            "socket.io-parser": {
+              "version": "3.3.3",
+              "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.3.tgz",
+              "integrity": "sha512-qOg87q1PMWWTeO01768Yh9ogn7chB9zkKtQnya41Y355S0UmpXgpcrFwAgjYJxu9BdKug5r5e9YtVSeWhKBUZg==",
+              "dev": true,
+              "requires": {
+                "component-emitter": "~1.3.0",
+                "debug": "~3.1.0",
+                "isarray": "2.0.1"
+              }
+            }
+          }
+        },
+        "socket.io-parser": {
+          "version": "3.4.2",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.2.tgz",
+          "integrity": "sha512-QFZBaZDNqZXeemwejc7D39jrq2eGK/qZuVDiMPKzZK1hLlNvjGilGt4ckfQZeVX4dGmuPzCytN9ZW1nQlEWjgA==",
+          "dev": true,
+          "requires": {
+            "component-emitter": "1.2.1",
+            "debug": "~4.1.0",
+            "isarray": "2.0.1"
+          },
+          "dependencies": {
+            "component-emitter": {
+              "version": "1.2.1",
+              "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+              "integrity": "sha512-jPatnhd33viNplKjqXKRkGU345p263OIWzDL2wH3LGIGp5Kojo+uXizHmOADRvhGFFTnJqX3jBAKP6vvmSDKcA==",
+              "dev": true
+            }
+          }
+        },
+        "ws": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+          "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
+          "dev": true
+        },
+        "xmlhttprequest-ssl": {
+          "version": "1.6.3",
+          "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz",
+          "integrity": "sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q==",
           "dev": true
         }
       }
     },
+    "socket.io-adapter": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-1.1.1.tgz",
+      "integrity": "sha1-KoBeihTWNyEk3ZFZrUUC+MsH8Gs=",
+      "dev": true
+    },
     "sort-object-keys": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/sort-object-keys/-/sort-object-keys-1.1.2.tgz",
@@ -9574,12 +9577,6 @@
       "integrity": "sha512-JoLI4g5zv5qNyT09f4YAvEZIIV1oOjqnewYg5D38dkQljIzpPT296dbIGvKro3digYI1bkb7W6EP1y4uDlmzLg==",
       "dev": true
     },
-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==",
-      "dev": true
-    },
     "underscore": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
@@ -9930,17 +9927,6 @@
         "signal-exit": "^3.0.2"
       }
     },
-    "ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "dev": true,
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      }
-    },
     "xdg-basedir": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
@@ -9953,12 +9939,6 @@
       "integrity": "sha1-1QH5ezvbQDr4757MIFcxh6rawOk=",
       "dev": true
     },
-    "xmlhttprequest-ssl": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
-      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
-      "dev": true
-    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",