chore(karma): add junit-reporter

We need to list karma-junit-reporter as a plugin and include it as a node module
dependency before we can use it to output junit format.

Closes angular#178

Author: michaelneale

package.json

@@ -10,7 +10,8 @@
     "protractor": "~0.20.1",
     "http-server": "^0.6.1",
     "bower": "^1.3.1",
-    "shelljs": "^0.2.6"
+    "shelljs": "^0.2.6",
+    "karma-junit-reporter": "^0.2.2"
   },
   "scripts": {
     "postinstall": "bower install",

test/karma.conf.js

@@ -20,7 +20,8 @@ module.exports = function(config){
     plugins : [
             'karma-chrome-launcher',
             'karma-firefox-launcher',
-            'karma-jasmine'
+            'karma-jasmine',
+            'karma-junit-reporter'
             ],
 
     junitReporter : {
@@ -29,4 +30,4 @@ module.exports = function(config){
     }
 
   });
-};
+};