Improved directory structure
Adds Apache2 license to GamePlay3d files
inverse and conjugate for quaternion
inverse and conjugate, negate for matrix
Merge pull request #6523 from dabingnn/v3_refactor_normalize

V3 refactor normalize
Merge pull request #6524 from dabingnn/v3_refactor_inverse_conjugate_etc

V3 refactor inverse conjugate etc
Merge branch 'v3' into improved_directory_structure
restores project.properties to 10
target is android-10
project.properties in .gitignore
Compiles on Windows
Merge pull request #6525 from ricardoquesada/compiles_win

Compiles on Windows
Merge branch 'v3' into improved_directory_structure
Merge pull request #6517 from ricardoquesada/improved_directory_structure

Improved directory structure
[AUTO][ci skip]: updating cocos2dx_files.json
you should be 10
Merge pull request #6527 from ricardoquesada/properties

you should be 10
[AUTO]: updating luabinding automatically
Merge pull request #6526 from CocosRobot/update_cocosfiles_1398905726

[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #6528 from CocosRobot/update_lua_bindings_1398905829

[AUTO]: updating luabinding automatically