Add helper functions if exist
Merge branch 'release/2.11' of ssh://git.freepbx.org/freepbx/callback into release/2.11

* 'release/2.11' of ssh://git.freepbx.org/freepbx/callback:
  Add Supported
Merge branch 'master' into release/2.11

* master:
  Translated using Weblate (Hebrew)
  Updated ru_RU
  Updated ja_JP