Revert "update(karma): replace phantom testing with chrome testing"

This reverts commit 6d7a505.

config/karma.conf.js

@@ -70,7 +70,7 @@ module.exports = function(config) {
     // - Safari (only Mac; has to be installed with `npm install karma-safari-launcher`)
     // - PhantomJS
     // - IE (only Windows; has to be installed with `npm install karma-ie-launcher`)
-    browsers: ['Firefox', 'Chrome'],
+    browsers: ['Firefox', 'PhantomJS'],
 
     client: {
       // Do not clear the context as this can cause reload failures with Jasmine

package.json

@@ -58,16 +58,16 @@
     "gulp-util": "^3.0.1",
     "gulp-webserver": "^0.9.1",
     "jasmine-core": "^2.2.0",
-    "jquery": "^3.0.0",
-    "jshint": "^2.9.2",
-    "jshint-summary": "^0.4.0",
-    "karma": "^1.0.0",
-    "karma-firefox-launcher": "^1.0.0",
-    "karma-jasmine": "^1.0.2",
-    "karma-chrome-launcher": "^1.0.0",
-    "karma-sauce-launcher": "^1.0.0",
-    "lazypipe": "^1.0.1",
-    "lodash": "^4.13.1",
+    "jquery": "^2.1.3",
+    "jshint-summary": "^0.3.0",
+    "karma": "^0.13.15",
+    "karma-firefox-launcher": "^0.1.3",
+    "karma-jasmine": "^0.3.6",
+    "karma-phantomjs-launcher": "^1.0.0",
+    "karma-sauce-launcher": "^0.2.14",
+    "lazypipe": "^0.2.2",
+    "lodash": "^3.0.0",
+    "merge-stream": "^0.1.6",
     "minimist": "^1.1.0",
     "mkdirp": "^0.5.0",
     "phantomjs-prebuilt": "^2.1.7",