change some const char* to const std::string&
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into const_char_star_to_std_string

Conflicts:
	cocos/2d/renderer/CCNewSprite.cpp
	cocos/2d/renderer/CCNewSprite.h
	cocos/2d/renderer/CCNewTextureAtlas.cpp
	cocos/2d/renderer/CCNewTextureAtlas.h
change some const char* to const std::string&
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into const_char_star_to_std_string

Conflicts:
	cocos/2d/renderer/CCNewSpriteBatchNode.cpp
	cocos/2d/renderer/CCNewSpriteBatchNode.h
fix actionTest->ActionFollow, ActionCatmullRomStacked
fix actionTest->ActionCardinalSplineStacked
fix actionTest->ActionCardinalSpline，ActionCatmullRom
Merge pull request #4639 from dabingnn/develop_FixTestCase_ActionTest

Develop fix test case action test
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into const_char_star_to_std_string

Conflicts:
	cocos/2d/platform/CCFileUtils.cpp
	cocos/2d/platform/CCFileUtils.h
	cocos/2d/platform/CCImageCommon_cpp.h
	cocos/2d/platform/CCSAXParser.cpp
	cocos/2d/platform/CCSAXParser.h
fix actionTest->Box2dTest
Merge pull request #4641 from dabingnn/develop_FixTestCase_Box2dTest

fix actionTest->Box2dTest
Don’t use ‘String::createWithFormat’ in our codes, use StringUtils::format() instead.
Merge pull request #4642 from dumganhar/deprecate-ccstring

Don’t use ‘String::createWithFormat’ in our codes, use StringUtils::format() instead.
Removes CC prefix for CCSkeleton and CCSkeletonAnimation. Adds namespace `sp` for JSBindings.
Updates JS tests for SpineTest.
fix TestCpp project can't work on debug mode on vs.
fix actionTest->DrawPrimitiveTest
Merge pull request #4644 from dumganhar/spine-remove-cc

Removes CC prefix for CCSkeleton and CCSkeletonAnimation. Adds namespace `sp` for JSBindings.
Merge pull request #4646 from dabingnn/develop_FixTestCase_DrawPrimitiveTest

fix actionTest->DrawPrimitiveTest
change indent to spaces