Update all dependencies

Ignored semver here and updated everything to the latest stable version.

package.json

@@ -28,7 +28,7 @@
     "@html-next/vertical-collection": "^1.0.0-beta.10",
     "ember-cli-babel": "^6.11.0",
     "ember-cli-htmlbars": "^2.0.3",
-    "ember-cli-string-helpers": "^1.7.0",
+    "ember-cli-string-helpers": "^1.8.1",
     "ember-composable-helpers": "^2.1.0",
     "ember-get-config": "^0.2.4",
     "ember-in-viewport": "~3.0.3",
@@ -37,10 +37,10 @@
     "ember-wormhole": "^0.5.4"
   },
   "devDependencies": {
-    "broccoli-asset-rev": "^2.6.0",
+    "broccoli-asset-rev": "^2.7.0",
     "ember-ajax": "^3.0.0",
     "ember-cli": "~3.1.4",
-    "ember-cli-app-version": "^3.1.3",
+    "ember-cli-app-version": "^3.2.0",
     "ember-cli-autoprefixer": "^0.8.1",
     "ember-cli-changelog": "0.3.4",
     "ember-cli-code-coverage": "^0.4.2",
@@ -56,14 +56,14 @@
     "ember-cli-shims": "^1.2.0",
     "ember-cli-sri": "^2.1.0",
     "ember-cli-uglify": "^2.0.0",
-    "ember-cli-update": "^0.14.0",
+    "ember-cli-update": "^0.21.4",
     "ember-cli-yuidoc": "0.8.8",
-    "ember-code-snippet": "^2.0.1",
+    "ember-code-snippet": "^2.2.0",
     "ember-concurrency": "^0.8.14",
-    "ember-data": "^3.0.1",
+    "ember-data": "^3.1.1",
     "ember-disable-prototype-extensions": "^1.1.2",
     "ember-export-application-global": "^2.0.0",
-    "ember-font-awesome": "^4.0.0-rc.2",
+    "ember-font-awesome": "^4.0.0-rc.4",
     "ember-load-initializers": "^1.0.0",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-native-dom-helpers": "^0.6.2",
@@ -78,7 +78,7 @@
     "eslint-plugin-ember-suave": "^1.0.0",
     "eslint-plugin-node": "^6.0.1",
     "loader.js": "^4.6.0",
-    "yuidoc-ember-theme": "^1.4.0"
+    "yuidoc-ember-theme": "^2.0.1"
   },
   "engines": {
     "node": "^4.5 || 6.* || >= 7.*"