* v2.0 skeleton optimize
* v2.0 skeleton offical source file
* Rename jsbDragonBones to dragonbones
Rename jsbSpine to spine
Rename editor to middleware
Rename EditorManager to MiddlewareManager
* Rename Macro.h to MiddlewareMacro to avoid duplication of name
* Middleware update by js
* recover other ini generate
* Update cocos2dx-file.json
* createArrayBuffer support null point
* Rename MiddlewareMacro
* skeleton windows 工程
* add checkspace before write buffer
* add math include
* modify dragonBones to dragonbones
* modify dragonBones to dragonbones
* modify dragonBones to dragonbones
* remove useless code
* Change copyright time