issue #3353:Lua gc mechanism will make the extended attributes of lua userdata disapper
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into toluaerror
increase label test pressure.
Refactors Data class, adds FileUtils::getStringFromFile, FileUtils::getDataFromFile and deprecates FileUtils::getFileData.
new spine runtime applied
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
Merge commit 'refs/pull/4545/head' of git://github.com/cocos2d/cocos2d-x into new-spine

Conflicts:
	cocos/editor-support/spine/CCSkeleton.h
add support for tweenRotate property
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
Updates spine test.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
Merge branch 'develop' into develop_transitionScene

* develop:
  #include <string> in CCComponentContainer.h to fix linux build failure.
  #include <algorithm> for std::find in CCVector.h.
  const love in CCFileUtils.cpp.
  More std::for_each —> for(const auto& …)
fix transition scene CrossFade
spine simple JS binding supported
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop
spine android build phase moved
Add SpineTest to TestJavascript 1
undo my mistake
Merge branch 'develop' into develop_transitionScene

* develop:
  [AUTO] : updating submodule reference to latest autogenerated bindings
  closed #3463: Potential hash collision by using typeid(T).hash_code() in JSB and LuaBinding. Instead of using std::unordered_map<long, T>(long is the hash_code generated by typeid(T).hash_code()), We needs to use std::unordered_map<std::string, T> to avoid collision since unordered_map internally processes collisions.
  Update CHANGELOG [ci skip]
  Update AUTHORS [ci skip]
  closed #3457: Fix of UserDefault. Infinite loop in UserDefault's destructor on iOS. The destructor of UserDefault is private now.
  [AUTO] : updating submodule reference to latest autogenerated bindings
  Fixed non-functioning default value for CCUserDefault::getDoubleForKey()
Merge pull request #4577 from dabingnn/develop_transitionScene

Develop transition scene