configure project for ios
Merge branch 'mergecocos3.0' of github.com:houguohua/cocos3d-x into mergecocos3.0

Conflicts:
	EngineDemo/proj.ios/EngineDemo.xcodeproj/project.pbxproj
bug fix
modify material for projected texture
add ambient color for material test scene
ios project compile faild
add prefix file
add prefix file
Merge pull request #36 from houguohua/mergecocos3.0

version 2014-4-18