Really pin karma

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

package.json

@@ -31,12 +31,12 @@
     "grunt-jscs": "^1.8.0",
     "grunt-karma": "^0.12.1",
     "istanbul": "^0.4.5",
-    "jasmine-ajax": "^3.2.0",
+    "jasmine-ajax": "^3.3.1",
     "jasmine-core": "~2.5.2",
     "jscs-jsdoc": "^1.0.1",
     "jshint": "^2.7.0",
     "jsxhint": "^0.14.0",
-    "karma": "^1.5.0",
+    "karma": "~1.5.0",
     "karma-coverage": "^1.1.1",
     "karma-jasmine": "^1.1.0",
     "karma-jasmine-ajax": "^0.1.13",