fix CCString to lua string

rt
fixed #3192 support for html5
fix calculate percent
moved pthread code to CCPThreadWinRT
use CCPThreadWinRT
added missing CocoStudio files
Merge pull request #4257 from chengstory/#3192

[ci skip]fixed #3192 support for html5
Merge pull request #4260 from Dhilan007/master

[ci skip]rename jsb boot file.
[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #4264 from 2youyouo2/master

[ci skip]fix calculate percent
Merge pull request #4263 from CocosRobot/updategeneratedsubmodule_1384484136

[ci skip][AUTO] : updating submodule reference to latest autogenerated bindings
Modify layout
Merge branch 'master' into master_nutty_code_criterion
Merge pull request #4261 from MSOpenTech/winrt-libextensions

[ci skip]Winrt libextensions fix
Merge pull request #4267 from nutty898/master_nutty_modify_layout

[ci skip]Master nutty modify layout
Modify relative layout
Merge branch 'master' into master_nutty_modify_layout
Merge pull request #4270 from nutty898/master_nutty_modify_relativelayout

[ci skip]Master nutty modify relativelayout
fix calculate percent
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x