Issue #4608: Minimize the size of Core
Merge branch 'develop-3.0' of https://github.com/VisualSJ/cocos2d-html5 into Iss4608_MinimizeCore
Issue #4608: Minimize the size of core and merge VisualSJ's code
Issue #4608: Minimize the size of Core
Merge branch 'develop-3.0' of https://github.com/VisualSJ/cocos2d-html5 into Iss4608_MinimizeCore

Conflicts:
	cocos2d/core/labelttf/LabelTTFCanvas.js
	moduleConfig.json
Merge branch 'develop-3.0' of https://github.com/VisualSJ/cocos2d-html5 into Iss4608_MinimizeCore

Conflicts:
	cocos2d/core/textures/CCTextureAtlas.js
Merge branch 'Iss4608_MinimizeCore' of https://github.com/dingpinglv/cocos2d-html5 into develop-3.0
Issuse #4608 Moving base64 data