Renamed cordova to hybrid and nativescript to native in create and init commands to be consistent with other clients.

Make help for create & init commands without any other parameters work
Fix creating projects (from PR review)
Fix erronerously triggering Cordova framework update for NativeScript projects
Use the proper API for reporting errors to the user
Make ".abproject" constant declared in IProject and use it everywhere possible
Add NativeScript integration test

refs #261531