Optimize the win32 projects configuration.
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
Merge pull request #7155 from natural-law/v3

Optimize the win32 projects configuration.
updated WP8 shader compiler tool
updated wp8 precompiled shaders
added missing files and tests that broke wp8 build
added building wp8 shaders instructions
Merge pull request #7161 from MSOpenTech/wp8-v3-fix

Wp8 v3 fix
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7162 from CocosRobot/update_cocosfiles_1403281523

[AUTO][ci skip]: updating cocos2dx_files.json