Fix team head photos margins

Signed-Off-By: Ann + J.M. <phpMyAdmin@ZweiSteinSoft.de>
Regenerate DebConf13 team photo thumb (150px high)

Signed-Off-By: Ann + J.M. <phpMyAdmin@ZweiSteinSoft.de>
Fix 2005 team photo with Monty tagline

Signed-Off-By: Ann + J.M. <phpMyAdmin@ZweiSteinSoft.de>
Add LinuxTag 2014 team photo

Signed-Off-By: Ann + J.M. <phpMyAdmin@ZweiSteinSoft.de>