Updated GLSurfaceViewCupcake to GLSurfaceView from Android 4.3 (API 18) so to properly support onAttachedToWindow and onDetachedFromWindow
Merge remote-tracking branch 'upstream/master'
Reverted changes in GLSurfaceViewCupcake, added class GLSurfaceViewAPI18 and added a config switch to specify the desired view implementation.
Added missing file :)
Merge pull request #859 from davebaol/master

Updated GLSurfaceViewCupcake to GLSurfaceView from Android 4.3 (API 18) so to properly support onAttachedToWindow and onDetachedFromWindow