Bump deps

Only out-of-date deps updated are; ember-string-ishtmlsafe-polyfill and liquid-fire.

package.json

@@ -56,18 +56,18 @@
   "dependencies": {
     "broccoli-funnel": "^1.2.0",
     "broccoli-merge-trees": "^2.0.0",
-    "ember-assign-polyfill": "^2.0.1",
+    "ember-assign-polyfill": "^2.0.2",
     "ember-cli-babel": "^6.3.0",
     "ember-cli-htmlbars": "^2.0.1",
     "ember-cli-version-checker": "^2.0.0",
-    "ember-string-ishtmlsafe-polyfill": "^1.1.0",
+    "ember-string-ishtmlsafe-polyfill": "^2.0.0",
     "froala-editor": "^2.6.3"
   },
   "devDependencies": {
     "broccoli-asset-rev": "^2.4.5",
     "ember-ajax": "^3.0.0",
     "ember-cli": "~2.14.0",
-    "ember-cli-app-version": "^3.0.0",
+    "ember-cli-app-version": "^3.1.0",
     "ember-cli-bootswatch": "^1.13.4",
     "ember-cli-dependency-checker": "^1.3.0",
     "ember-cli-eslint": "^3.0.0",
@@ -84,7 +84,7 @@
     "ember-load-initializers": "^1.0.0",
     "ember-resolver": "^4.0.0",
     "ember-source": "~2.14.0",
-    "liquid-fire": "~0.27.3",
+    "liquid-fire": "~0.28.0",
     "loader.js": "^4.2.3"
   },
   "ember-addon": {