OR-747 Actions directive for accept/decline membership request
OR-747 Emit event to remove request entry on accept/decline
OR-747 Display membership request avatars and actions
Merge pull request #513 in OR/rse from OR/rse-chamerling:OR-747 to master

* commit 'b0c43f0a1bfa4aa95af3f2dde0ed1effc8c66fe5':
  OR-747 Display membership request avatars and actions
  OR-747 Emit event to remove request entry on accept/decline
  OR-747 Actions directive for accept/decline membership request