Merge pull request #1659 from dingpinglv/Iss4277_FixBugsForV3.0

Issue #4277: remove some characters in CCShaders.js for compressing
issue #4277 : Refactor codes to support compile.
Merge branch 'develop-3.0' of git://github.com/cocos2d/cocos2d-html5 into iss_4277_fix4release3.0
Merge pull request #1660 from SmallAiTT/iss_4277_fix4release3.0

issue #4277 : Refactor codes to support compile.
Feature #4313: Implement NodeGrid
Feature #4313: add inline doc to cc.NodeGrid.create
Merge branch 'develop-3.0' of git://github.com/cocos2d/cocos2d-html5 into develop-3.0
Feature #4313: Adapt NodeGrid to -x API
Update copyright info
Merge pull request #1661 from pandamicro/develop-3.0

Feature #4313: Implement NodeGrid
issue #4277 : Refactor CCBReader to support compile.
Merge pull request #1662 from SmallAiTT/iss_4277_fix4release3.0

issue #4277 : Refactor CCBReader to support compile.
Feature #4221: Change constants style in ccui
Merge branch 'develop-3.0' of git://github.com/cocos2d/cocos2d-html5 into develop-3.0
Issue #4294: Refactor ccui.UIHelper to ccui.helper
Merge pull request #1663 from pandamicro/develop-3.0

Issue #4294: Refactor ccui.UIHelper to ccui.helper
Issue #4277: add setSpriteFrame function to cc.Sprite
Issue #4277: update authors list