Update neon_matrix_impl.c

Issue 1507: can't compile kazmath lib on arm64
Merge pull request #383 from cocojoe/develop-v3

installation template added missing file
CCAtlasNode documentation
CCSprite documentation
CCTransition documentation
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Merge pull request #385 from cocojoe/develop-v3

CCLabelTTF documentation
Merge pull request #355 from frranck/patch-1

Update neon_matrix_impl.c
Fix a missing pound sign for preprocessor
Merge pull request #388 from kaneshin/develop-v3

Fix a missing pound sign for preprocessor
Fixed 64bit build with kazmath
Merge pull request #389 from nickskull/develop-v3

Fixed 64bit build with kazmath
CCLabelAtlas Documentation
CCParticleSystem Documentation
CCParticleSystemQuad Documentation
CCLabelBMFont Extra Documentation
Little bit of house keeping