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
Fix use create_project.py to create project not rename APPNAME at build_native.cmd.
Merge pull request #3865 from Dhilan007/develop

[ci skip]Fix use create_project.py to create project not rename APPNAME at build_...
issue #2771:  move _physicsBody from sprite to node
issue  #2792 : Performance Test: Sprite drawing
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developPerformace
issue #2771:  separate the PhysicsBody and the PhysicsShape.
issue #2771:  fix some bugs in PhysicsShape
Add AppCode project files to ignorelist
Implement MouseWheel Event, also fix a typo in EventListener interface
Implement Mouse_up Mouse_down and Mouse_Move
issues #2677:Use CoreMotion's API to replace UIAccelerometer.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into Armature