1. merge scenereader Armature merge to cocos2dx 3.0.
1. upload SceneTest Resources.
1. update Samples on develop branch.
1.  remove  any unused functions.
1.  fixes failed to build  on linux.
1.  add  shadernode.cpp to linux, nacl mk files.
1. fixes error of  34 line in android.mk.
1. update mkfile.
Merge branch '#develop' into #4551

Conflicts:
	samples/Cpp/TestCpp/proj.win32/TestCpp.vcxproj.filters
Merge pull request #3570 from chengstory/#4551

#4551