chore($q): make jscs happy

jscs loves to be happy and does not love trailing whitespace.

Author: caitp

src/ng/q.js

@@ -6,10 +6,10 @@
  * @requires $rootScope
  *
  * @description
- * A service that helps you run functions asynchronously, and use their return values (or exceptions) 
- * when they are done processing. 
- * 
- * This is an implementation of promises/deferred objects inspired by 
+ * A service that helps you run functions asynchronously, and use their return values (or exceptions)
+ * when they are done processing.
+ *
+ * This is an implementation of promises/deferred objects inspired by
  * [Kris Kowal's Q](https://github.com/kriskowal/q).
  *
  * $q can be used in two fashions --- one which is more similar to Kris Kowal's Q or jQuery's Deferred