added CCPreompiledShaders.h for winrt and wp8
adding loading of precompiled shader programs
removed winrt code
added CCPrecompiledShader files
added precompileShaders() for wint
added precompiledshaders.h
added PRECOMPILED_SHADERS define
added sha1 support
added CC_PLATFORM_WP8
updated winrt shaderts
optimize gui reader
Merge branch 'master' into master_nutty_modify_version
update CCBatchNode render
check return value of loadProgram
added kCCShader_ControlSwitch
added kCCShaderType_ControlSwitch
u[dated precompiled shaders for winrt and wp8
added precompiled shader support for all shader tests
enabled ShaderTest for winrt and wp8
added abs() to pow() to fix shader compile errors on winrt and wp8