Adds setNormalizedPosition()

Changes in `visit()` were done in order to do it
in a robust and fast way.
Little fixes for setNormalized
Compiles on iOS
Add xxtea encrypt support for lua and update the console submodule
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_fix

Conflicts:
	tools/cocos2d-console
update console submodule
Update setting for different platform
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_fix
Adjust the xxtea directory structure and modify some grammar expressions
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_fix
fix a crash in ParticleTest->PremultipliedAlphaTest
Support Fast App Resume.
Adjust the xxtea directory structure and modify configs files for platforms
Fixed black screen may arise when using third SDK.
refact ui header file include
refactor ObjectFactor and move it to base
fix ObjectFactory refactor issue
fix other platform compile error
Merge pull request #6962 from visiblelight/AlphaIssues

Fix a crash in ParticleTest->PremultipliedAlphaTest
[ci skip]