Merge branch 'develop' of https://github.com/cocos2d-x/plugin-x into fb
Merge pull request #3 from wuzhiming/plugin_fb_4th

Plugin fb 4th
Refactor #5900 : Refactor all plugin-x's constant name to UPPERCASE
issue #5901: Move FacebookAgent's getSDKVersion to FacebookAgent.h and add bindings for it, publishInstall -> activateApp
change Facebook  function name
Merge commit '063a7d96a406e85805d40d80d5124053256cf443' into plugin_fb_4th
add getSDKVersion binding
Merge commit 'fad7f95d9717b3275bf51769b2000dae124de12c' into plugin_fb_4th
change Facebook  function name
change Facebook  function name
Merge pull request #69 from wuzhiming/plugin_fb_5th

change some facebook api