Update angularjs and phantomjs package

This commit bumps up the angularjs and phantomjs version to resolve the
testing failure.
NOTE: phantomjs was renamed to phantomjs-prebuilt[1].

[1] https://www.npmjs.com/package/phantomjs

Change-Id: Ie046865749bd152f4d3dd3b485d34953963087f2

package.json

@@ -6,9 +6,9 @@
   "repository": "none",
   "license": "Apache 2.0",
   "devDependencies": {
-    "angular": "^1.3.15",
+    "angular": "^1.5.0",
     "angular-fontawesome": "^0.4.0",
-    "angular-mocks": "^1.3.15",
+    "angular-mocks": "^1.5.0",
     "angular-ui-bootstrap": "^0.13.3",
     "angular-ui-router": ">=0.2.16 <0.3.0",
     "babelify": "^5.0.4",
@@ -58,7 +58,7 @@
     "karma-spec-reporter": "0.0.20",
     "moment": "^2.11.1",
     "morgan": "^1.6.1",
-    "phantomjs": "1.9.17",
+    "phantomjs-prebuilt": "^2.1.1",
     "pretty-hrtime": "^1.0.0",
     "protractor": "^2.2.0",
     "protractor-http-mock": "^0.1.18",