diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 2c296ee..af73ade 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -121,6 +121,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -4594,7 +4595,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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           "version": "1.1.1",
@@ -4645,7 +4647,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -4660,6 +4663,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -4668,6 +4672,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -4676,6 +4681,7 @@
           "version": "1.1.7",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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             "concat-map": "0.0.1"
@@ -4684,7 +4690,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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           "version": "0.12.0",
@@ -4701,12 +4708,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -4714,22 +4723,26 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "cryptiles": {
           "version": "2.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1"
           }
@@ -4769,7 +4782,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4801,7 +4815,8 @@
         "extsprintf": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "0.6.1",
@@ -4823,12 +4838,14 @@
         "fs.realpath": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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             "inherits": "2.0.3",
@@ -4884,6 +4901,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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             "inflight": "1.0.6",
@@ -4896,7 +4914,8 @@
         "graceful-fs": {
           "version": "4.1.11",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.5",
@@ -4924,6 +4943,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1",
             "cryptiles": "2.0.5",
@@ -4934,7 +4954,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.1",
@@ -4951,6 +4972,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -4959,7 +4981,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.3.4",
@@ -4971,6 +4994,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -4984,7 +5008,8 @@
         "isarray": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5057,12 +5082,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
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@@ -5071,6 +5098,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
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@@ -5078,12 +5106,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -5138,7 +5168,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "0.8.2",
@@ -5156,6 +5187,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5185,7 +5217,8 @@
         "path-is-absolute": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5196,7 +5229,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.4.1",
@@ -5234,6 +5268,7 @@
           "version": "2.2.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
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             "core-util-is": "1.0.2",
@@ -5278,6 +5313,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5285,7 +5321,8 @@
         "safe-buffer": {
           "version": "5.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "semver": {
           "version": "5.3.0",
@@ -5309,6 +5346,7 @@
           "version": "1.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -5342,6 +5380,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5352,6 +5391,7 @@
           "version": "1.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -5366,6 +5406,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -5380,6 +5421,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.11",
@@ -5435,7 +5477,8 @@
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "uuid": {
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@@ -5464,7 +5507,8 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7046,7 +7090,8 @@
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       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
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@@ -9920,36 +9965,36 @@
     "testem": {
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       "resolved": "https://registry.npmjs.org/testem/-/testem-2.0.0.tgz",
-      "integrity": "sha1-sFyWIAx6yYuumY1xyUwMU0WQfRM=",
-      "dev": true,
-      "requires": {
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-        "bluebird": "3.5.1",
-        "charm": "1.0.2",
-        "commander": "2.8.1",
-        "consolidate": "0.14.5",
-        "execa": "0.9.0",
-        "express": "4.16.2",
-        "fireworm": "0.7.1",
-        "glob": "7.1.2",
-        "http-proxy": "1.16.2",
-        "js-yaml": "3.10.0",
-        "lodash.assignin": "4.2.0",
-        "lodash.castarray": "4.4.0",
-        "lodash.clonedeep": "4.5.0",
-        "lodash.find": "4.6.0",
-        "lodash.uniqby": "4.7.0",
-        "mkdirp": "0.5.1",
-        "mustache": "2.3.0",
-        "node-notifier": "5.2.1",
-        "npmlog": "4.1.2",
-        "printf": "0.2.5",
-        "rimraf": "2.6.2",
+      "integrity": "sha512-LI+fRJl6Y3IUejnSlS1kdto7xLvndiGQAKVk1DkOvUcE6p84kIN8dFUX+MxjROJXnI+w2FwlTMlGIrJ1BjC2gA==",
+      "dev": true,
+      "requires": {
+        "backbone": "^1.1.2",
+        "bluebird": "^3.4.6",
+        "charm": "^1.0.0",
+        "commander": "^2.6.0",
+        "consolidate": "^0.14.0",
+        "execa": "^0.9.0",
+        "express": "^4.10.7",
+        "fireworm": "^0.7.0",
+        "glob": "^7.0.4",
+        "http-proxy": "^1.13.1",
+        "js-yaml": "^3.2.5",
+        "lodash.assignin": "^4.1.0",
+        "lodash.castarray": "^4.4.0",
+        "lodash.clonedeep": "^4.4.1",
+        "lodash.find": "^4.5.1",
+        "lodash.uniqby": "^4.7.0",
+        "mkdirp": "^0.5.1",
+        "mustache": "^2.2.1",
+        "node-notifier": "^5.0.1",
+        "npmlog": "^4.0.0",
+        "printf": "^0.2.3",
+        "rimraf": "^2.4.4",
         "socket.io": "1.6.0",
-        "spawn-args": "0.2.0",
+        "spawn-args": "^0.2.0",
         "styled_string": "0.0.1",
-        "tap-parser": "5.4.0",
-        "xmldom": "0.1.27"
+        "tap-parser": "^5.1.0",
+        "xmldom": "^0.1.19"
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       "dependencies": {
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@@ -9958,27 +10003,36 @@
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-            "get-stream": "3.0.0",
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-            "npm-run-path": "2.0.2",
-            "p-finally": "1.0.0",
-            "signal-exit": "3.0.2",
-            "strip-eof": "1.0.0"
+            "cross-spawn": "^5.0.1",
+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
           }
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         "glob": {
-          "version": "7.1.2",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
-          "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+          "version": "7.2.3",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
+          "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
           "dev": true,
           "requires": {
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-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.1.1",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
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+        "minimatch": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+          "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.1.7"
           }
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       }