fix CCString to lua string

rt
fix calculate percent
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x
modification some constant sync from h5.
Fixed crash
Merge pull request #4276 from Dhilan007/master

[ci skip]modification some constant sync from h5.
Merge pull request #4277 from 2youyouo2/master

[ci skip]fix calculate percent
Merge branch 'master' into master_nutty_modify_relativelayout
Remove useless method
Fixed crash of reader
Merge pull request #4289 from nutty898/master_nutty_modify_bugfixed

[ci skip]Master nutty modify bugfixed
[AUTO] : updating submodule reference to latest autogenerated bindings
Shielded unusefull log
Merge branch 'master' of git://github.com/cocos2d/cocos2d-x
updating js shared submodule reference
Merge pull request #4292 from CocosRobot/updategeneratedsubmodule_1384750868

[ci skip][AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #4299 from Dhilan007/master

[ci skip]updating js shared submodule reference
Merge pull request #3950 from linguofeng/patch-1

[ci skip]fix CCString to lua string
sync constant from h5
Merge pull request #4311 from Dhilan007/master

[ci skip]sync constant from h5