created first steps and helper for RestAPI configuration webservice
added required steps to enable/disable live reload with Rest API and check the result
added steps to check live reload status with rest api
Merge branch '4797_live_reload' of github.com:jaunis/xivo-acceptance into jaunis-4797_live_reload

* '4797_live_reload' of github.com:jaunis/xivo-acceptance:
  added steps to check live reload status with rest api
  added required steps to enable/disable live reload with Rest API and check the result
  created first steps and helper for RestAPI configuration webservice