fixed strokeColor and fontFillColor of CCLabelTTF
Merge branch 'develop' of https://github.com/musikov/cocos2d-x into musikov-develop

Conflicts:
	cocos2dx/textures/CCTexture2D.cpp
fixed #2303: float assignment fix.
Merge pull request #2925 from dumganhar/musikov-develop

fixed #2303: Missing precision when getting strokeColor and fontFillColor