Review Lead: Mazz
Need activity info on the Summary>Overview
Combine Members/Membership subtabs into single Members subtab?
Make this the default subtab for Inventory tab when viewing Mixed groups
List group members
Remove members from group (should be able to select all members)
Remove members from group and Uninventory them (should be able to select all members)
Remove members from group and Delete them (should be able to select all members)
Add new members
For groups generated from a definition need some warning about this group changing/going away