Fixing ember build

- removing --silent so we can see errors
- pinning dependencies
- the error with normalize is resolved by pinning ember-cli-sass to 3.1.0, and breaks if upgrading to 3.1.1 as a result of issues with libsass

bower.json

@@ -11,7 +11,7 @@
     "fastclick": "1.0.0",
     "google-caja": "5669.0.0",
     "ic-ajax": "1.0.1",
-    "jquery": "~1.11.2",
+    "jquery": "1.11.2",
     "jquery-file-upload": "9.5.6",
     "jquery-hammerjs": "1.0.1",
     "jquery-ui": "1.10.4",
@@ -20,7 +20,7 @@
     "loader.js": "ember-cli/loader.js#3.2.0",
     "moment": "2.8.3",
     "nanoscroller": "0.8.4",
-    "normalize-scss": "~3.0.1",
+    "normalize-scss": "3.0.2",
     "nprogress": "0.1.2",
     "rangyinputs": "1.2.0",
     "showdown-ghost": "0.3.6",
@@ -29,6 +29,6 @@
   "devDependencies": {
     "ember-cli-shims": "ember-cli/ember-cli-shims#0.0.3",
     "ember-cli-test-loader": "ember-cli/ember-cli-test-loader#0.1.1",
-    "ember-mocha": "~0.4.2"
+    "ember-mocha": "0.4.4"
   }
 }

package.json

@@ -30,7 +30,7 @@
     "ember-cli-ic-ajax": "0.1.1",
     "ember-cli-inject-live-reload": "^1.3.0",
     "ember-cli-mocha": "^0.4.2",
-    "ember-cli-sass": "^3.0.6",
+    "ember-cli-sass": "3.1.0",
     "ember-cli-uglify": "1.0.1",
     "ember-data": "^1.0.0-beta.14.1",
     "ember-export-application-global": "^1.0.2",