def commit_application_archive(self, application, file_path):
    result = self.server.commit_tar(application, file_path, self.secret)
    if result != 'true':
      raise Exception(result)
Tells the UserAppServer where it can find the given application, on its
dataset/ETHPy150Open AppScale/appscale-tools/lib/user_app_client.py/UserAppClient.commit_application_archive