fixing bug where SimpleAudioEngine::playEffect() and SimpleAudioEngine::playBackgroundMusic() on linux plays twice
fix CCControl::registerWithTouchDispatcher()
Update CCControl.cpp
Merge pull request #2117 from vipsbpig/master

fixed CCControl::registerWithTouchDispatcher()
issue #1529:modify CCUserDefault.cpp path in linux makefile
Merge pull request #2118 from minggo/refactor-ccuserdefault

issue #1529:modify CCUserDefault.cpp path in linux makefile
Merge pull request #2091 from jsambuo/linux-audio-twice-fix

fix for SimpleAudioEngine::playEffect() and playBackgroundMusic() playing twice on linux
Update AUTHORS