Update create_project.py

'Sample 1' way is not okay. If not input language, script doesn't generate project. (Must input language, but 'Sample 1' way said that you don't need to input language.)
issue #2129: [Removing CC Prefix] Removing backward compatible macros, since they are conflict with no CC Prefix ones.
issue #2129: Resetting the namespace of armature to 'cocos2d::extension::armature'.
issue #2129: Don't use CGPoint in chipmunk since we are using cocos2d-x rather than cocos2d-iphone.
issue #2129: Renaming EditBoxImplIOS to EditBoxImplIOS_objc since it will be conflict with CCEditBoxImplIOS after removing CC prefix.
issue #2129: [TestCpp] LayerGradient --> LayerGradientTest,  TexturePVR --> TexturePVRTest.
issue #2129: using cocos2d::extension::armature namespace for Armature extension.
issue #2129: no need to write namespace since we are using *using namespace cocos2d::extension::armature;*.
issue #2129: [TestCpp] Renaming some class name to avoid conflicts after removing CC prefix.
issue #2129: [TestCpp] A typo fix.
issue #2129: Removing CC prefix for CocosDenshion module.
issue #2129: Removing CC prefix for cocos2dx module.
issue #2129: Removing CC prefix for extension module.
issue #2129: Removing CC prefix for samples module.
issue #2129: Updating tojs/cocos2d.ini and tojs/cocos2dx_extension.ini.
issue #2129: Removing CC prefix for scripting module.
issue #2129: Updating submodule of bindings-generator.
issue #2129: Updating cocos2dx.ini.
issue #2129: jsb_CCXXX --> jsb_XXX
issue #2129: CC_Reader --> _Reader.