OR-617 Return small image as default avatar instead of large one
OR-617 Add log on image error
OR-617 Log community avatar errors
Merge pull request #416 in OR/rse from OR/rse-chamerling:OR-617-avatarsize to master

* commit '0ebacf200652edcf212c7c1c97e0259f675f4e05':
  OR-617 Log community avatar errors
  OR-617 Add log on image error
  OR-617 Return small image as default avatar instead of large one