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.
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 #2768:Modify the linux make files of the liblua 、the testlua and hellolua projects
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into Armature

Conflicts:
	samples/samples.xcodeproj/project.pbxproj
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into Armature
Merge pull request #3599 from samuele3hu/Armature

issue #2768:Add Armature lua binding and releated test samples