Add Default-667h@2x and Default-737h@3x launch images to support iPhone6 and iPhone6+'s native resolution mode
Merge pull request #8737 from samuele3hu/v3_rc_fix

Update the related cocosstudio lua test cases and lua-bindings
Merge pull request #8739 from huangshiwu/v3_iphone6hires

Add Default-667h@2x and Default-737h@3x launch images to support iPhone6...