cocos2d/cocos2d-x — pull request #4013 by uqtimes (2013-10-27 16:28:54+00:00)
Title: Fix object leaks.

- Remove keyboard notifications from NSNotificationCenter.
- Invalidate NSTimer instance from main loop.

Because, I'm creating a hybrid(UIWebView and Cocos2d-x) iOS application. So, we should fix the memory leaks.