issue 2905:SimpleAudioEngine -> audio
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into iss2905-adjust_folder
issue #2905:modify project settings to include correct audio path
include correct path in cocos2dx.ini to generate audio binding
include correct path in cocos2dx.ini to generate audio lua binding
issue #2905: modify makefile to include correct header files
issue #2905: modify makefile to refer to correct path
issue #2905: modify makefile to refer to correct path
Merge pull request #3911 from minggo/iss2905-adjust_folder

[ci skip]SimpleAudioEngine -> audio