Add listing of other group members to user profile
Add listing of other group members to user profile

Closes:#1301837 - discovering LAVA group members.

Add a listing of the other members of whichever group
this user is already a member. Other groups are not
exposed.

Change-Id: Iee987185a51cc02b1b21ca15c564b86f7ef0657c

Linaro/lava-server,Linaro/lava-server,OSSystems/lava-server,OSSystems/lava-server,OSSystems/lava-server,Linaro/lava-server,Linaro/lava-server