OR-625 Get avatars from email or community id
OR-625 Avatar controlle
OR-625 Fix community load, routes, add tests
OR-625 Reuse users#getAvatar
Merge pull request #425 in OR/rse from OR/rse-chamerling:OR-625-avatar-api to master

* commit '387de56a322d3fe1c43bd0af750002e519f997cd':
  OR-625 Reuse users#getAvatar
  OR-625 Fix community load, routes, add tests
  OR-625 Avatar controlle
  OR-625 Get avatars from email or community id