Add missing karma dependency.

Jakobovski · deeg · commit 19732977f180 · 2015-12-28T14:27:02.000-08:00
diff --git a/package.json b/package.json
@@ -10,6 +10,7 @@
   "devDependencies": {
     "grunt": "~0.4.4",
     "grunt-karma": "~0.8.2",
+    "karma": "~0.12.0",
     "grunt-contrib-jshint": "~0.10.0",
     "grunt-conventional-changelog": "~1.0.0",
     "jasmine-core": "~2.3.4",
