Clean up.
Set the enabled flag when changing e-mail/institution.
Fix layout of check boxes.
Do not allow admin to remove himself/herself from system.
Fix canEdit method.
Clean up.
Do not allow admin to remove himself/herself using Cut option.
Use Edit menu instead of Copy/Cut/Paste
Add owner icons.
Review menu items for group model.
Set the enabled flag to false for new user if user is selected.
Set the enabled flag of the action.
Implement activate action in Data browser.
Implement reset password action.
Do not allow to remove user from System using DnD
Turn off action for root.
Allow cut from non system group.
Remove isRoot method.
Add new methods to check if system user/group.
Add methods to check if system user/group.