story #3077 see people names instead of avatars on cardwall

Change-Id: If924c59dc7eb9cfbfe3fea93cfbecb38d4ae4b50
Merge commit 'refs/changes/87/387/8' of http://gerrit.tuleap.net/tuleap into stable

* http://gerrit.tuleap.net/tuleap:
  story #3077 see people names instead of avatars on cardwall
This is Tuleap 5.12.99.40