Add required flags, classes and definitions for play services.
fix MOAIScissorRect getter
add devName to MOAIEnvironment on iOS
MOAIEnvironment.cacheDirectory support added for Android.
changed MOAISim.getElapsedFrames implementation to use MOAIRenderMgr's RenderCount
MOAIShader int and float uniforms can be read as attributes
Merge pull request #890 from romainmoreau/cache-directory-android

MOAIEnvironment.cacheDirectory support added for Android.
Merge pull request #889 from eiriksm/play-services-fix

Add required flags, classes and definitions for play services.
Merge pull request #892 from Vavius/vavius-dump-041214

Small bug fixes
Merge pull request #893 from Vavius/shader-getattr

MOAIShader int and float uniforms can be read as attributes