Update cocos2d_specifics.cpp

fix bug about scheduler, if this value is -1, it will work all right in Emulator, but run error in real device, just call one time.
issue #2768:Add Armature lua binding and releated test samples
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into Armature

Conflicts:
	extensions/cocos-ext.h
issue #2768:Add a newline
issue #2768:Modify testlua and hellolua sample's linux mayflies.
issue #2771:  add tag and enable functions to physics classes
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into iss2771_physical
issue #2771:  refactor PhysicsTest
issue #2771:  move _physicsBody from sprite to node
issue #2771:  separate the PhysicsBody and the PhysicsShape.
issue #2771:  fix some bugs in PhysicsShape
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into Armature
issue #2768:Modify armature test sample and skip some functions to lua
issue #2771:  let PhysicsShape::create doesn't need to pass the PhysicsBody
fix bug: sys.localStorage.getItem() do not support utf8 in jsb.
Merge pull request #3900 from natural-law/develop

Solve the Chinese string from C++ to JS is messy code in plugin.
fix XMLHTTPRequest.cpp memory leak
Merge pull request #3901 from rablwupei/getitem_utf8

closed #2912: fix bug: sys.localStorage.getItem() do not support utf8 in jsb.
Update CHANGELOG [ci skip]
Update AUTHORS [ci skip]