need to reset the accelerometer before trying to enable it again
changed background-music-aac.wav to background.wav. background-music-acc.wav does not exist
use CCGLViewImpl.h
Merge pull request #8103 from cpascal/fix_no_physics

Fixed compile error when I turned off physics definitions.
Merge pull request #8138 from MSOpenTech/wp8-v3.3

WP8 v3.3 bug fixes