[bug 1168209] Allow admins to save user profiles without mentors.
[bug 1168209] Allow admins to save user profiles without mentors.

johngian/remo,johngian/remo,abdullah2891/remo,Mte90/remo,akatsoulas/remo,akatsoulas/remo,johngian/remo,Mte90/remo,mozilla/remo,flamingspaz/remo,flamingspaz/remo,tsmrachel/remo,tsmrachel/remo,johngian/remo,mozilla/remo,chirilo/remo,abdullah2891/remo,abdullah2891/remo,akatsoulas/remo,flamingspaz/remo,tsmrachel/remo,tsmrachel/remo,chirilo/remo,Mte90/remo,mozilla/remo,chirilo/remo,flamingspaz/remo,Mte90/remo,abdullah2891/remo,akatsoulas/remo,mozilla/remo,chirilo/remo