Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
fixed Armature::getBoundingBox() is wrong when bone's display is null
fix mingw32/64 build:

MinGW uses system installed libcurl, rather than libcurl_imp.
set libws2_32 as standard library for mingw.
* Skip UTF8 BOM if it exists
* Fix when string isn't terminated if fread() reads less size than paramter at FileUtils getData
Bug fix
animation3d
sprite3d with skin render&bundle
change comment
worldmat cache in bone
Add bytecode and encrypted files test cases for Lua
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_fix
animation test
fix KeyCode back compatible
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_fix
debug Sprite3D with .c3t
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_fix
Update controller.lua