Fixes a problem with $anchor that caused a JSerror
Enables user access rights modification

The checkboxes for User access rights are not longer
disabled and the addUser form now handles updating of user access
rights.

The 'add' button has been removed from the access right view. Now
the normal save button is used instead.
Fixes a bug where isProtected was set to NO

When all user access rights were cleared the isProtected flag
was set to NO even though there were role access rights still active.
Merge pull request #58 from stenbacka/update-user-access-rights

Update user access rights