Merge branch 'v3luaruntime' of https://github.com/chuanweizhang2013/cocos2d-x into v3luaruntime
add config window top support
add getplatform function
Added Light
Added Light Class
add BillBorad and BillBoardTest
Merge pull request #92 from songmiao/billboard

add BillBorad and BillBoardTest
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into billboard

Conflicts:
	cocos/2d/libcocos2d.vcxproj.filters
	tests/cpp-tests/Classes/Sprite3DTest/Sprite3DTest.cpp
	tests/cpp-tests/Classes/Sprite3DTest/Sprite3DTest.h
Merge pull request #93 from songmiao/billboard

Billboard Merge v3
GLProgram Added Light Shader
GLProgram Added Normal Matrix
Fixed GLProgram
add BillBoard to iOS project
Added Light Test
Added Point Light
Finished Point Light
Finished Directional Light
Finished Spot Light
Fixed Android compiled Problem
Shader: Light struct modification
Finished Light And Test
deleted redundant code
Replace Tab Format
Light Shader modification for Android
Repaired the errors of Shader PassValue On Android
Light modification