[Build] Enable coverage of src

For nasa#1218

Author: VWoeltjen

karma.conf.js

@@ -53,7 +53,7 @@ module.exports = function(config) {
         // Preprocess matching files before serving them to the browser.
         // https://npmjs.org/browse/keyword/karma-preprocessor
         preprocessors: {
-            'src/**/src/**/!(*Spec).js': [ 'coverage' ],
+            'src/**/!(*Spec).js': [ 'coverage' ],
             'platform/**/src/**/!(*Spec).js': [ 'coverage' ]
         },