Merge pull request #296 from CruGlobal/MH-855

Add back button in profile page when available
Merge pull request #297 from CruGlobal/MH-898

Display the facebook login in homepage topbar
Change redirect page after signout
Should check user data if exist, remove simplecov
MH-908 - Add emails and phone numbers to merge screen
Fix contact assignment uniqueness for APIv3
Merge branch 'MH-859' into dev