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 for plugin module.
[AUTO] : updating submodule reference to latest autogenerated bindings
issue #2129: Renaming member variables for plugin, m_XXX --> _XXX.
issue #2129: Warning fix in PluginUtils.h
issue #2129: Renaming variables.
Merge pull request #2944 from dumganhar/iss2129-format-codes3

issue #2129: Removing CC prefix and renaming member variables for plugin module.
Merge pull request #2943 from CocosRobot/updategeneratedsubmodule_1371716731

[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #2939 from growingdever/patch-3

Update create_project.py