Add Websocket support for Mac platform
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_cocostudio

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Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_cocostudio
1. Fixes #4957 that click test TestChangePlaySection, then it will crash.
2. Modify default value of selectedState to serialize check box data.
added notes for Windows 8.1 Universal App
Fix UIText miss copy contentSize for clone
Merge pull request #9461 from MSOpenTech/v3-wp8-release-notes

added notes to ReadMe for Windows 8.1 Universal App
fix bug: same model in mirror state cullFace problem.
Merge pull request #9455 from samuele3hu/v3_cocostudio

Add Websocket support for Mac platform
Merge pull request #9459 from pipu/fix_#9457

Fixes #9457
Merge pull request #9462 from edwardzhou/fix_UIText_clone_missing_contentSize

Fix UIText miss copy contentSize for clone
[ci skip]update version
Update that serialize plist file name
runtime's setSearchPaths failed
Merge pull request #9478 from cocoscodeide/v3

[ci skip]runtime's setSearchPaths failed
Merge pull request #9477 from pipu/update_serialize_plist_file_name

Update that serialize plist file name and load plist file
Merge pull request #175 from lvlonggame/v3

fix bug: same model in mirror state cullFace problem.
invalid texture parameter on release mode fix #9465
Merge branch 'v3' of https://github.com/super626/cocos2d-x into v3
update version