[fix bug 841776] Get mentor from Report model.
[fix bug 841776] Get mentor from Report model.

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