add service/interface/region filter for endpoint v3

Change-Id: I7eac5b2ff5f5a6f3f08b22dd3a48a5ae7e2c056b
Closes-Bug: #1281888
Fix security group list for non-admin

Non-admin users couldn't list security groups due to the project lookup
failure.  That shouldn't stop the listing.

Change-Id: I27f6ff4975b35d1de1c852c8d4e830b83c7dec75
Fix server add security group

The group resource was being passed when only the name is needed.

Change-Id: Ia303804be4e336f9880205d931467cb831e812de
Merge "Fix server add security group"
Merge "Fix security group list for non-admin"
Merge "add service/interface/region filter for endpoint v3"