Admin: Add base case.
Admin: restrict access to admin users.
Admin: Add users view.
Users: Adjust decorators flash message.
Admin: Add views.
Admin: Adjust User views.

Need to set parameters so that only 'admin'
users can edit users.
Profile: Add landing page.

Constants: change user to 0.
Auth: Add Staff view.
Requirements: Update.
Merge add-admin (#46) into master

Add admin panel.

This basic panel will allow only admins (not staff/officers) to edit
objects.