def default_deploy
      setup
      update_repo_tag
      push_repo
      maintenance_mode do
        run_migrations
        app_restart
      end
      teardown
    rescue Paratrooper::Error => e
      abort(e.message)
    end
def default_deploy
      setup
      update_repo_tag
      push_repo
      maintenance_mode do
        run_migrations
        app_restart
      end
      teardown
    rescue Paratrooper::Error => e
      abort(e.message)
    end
Public: Execute common deploy steps.

 Default deploy consists of:
 * Activating maintenance page
 * Pushing repository to Heroku
 * Running database migrations
 * Restarting application on Heroku
 * Deactivating maintenance page

 Alias: #deploy