Reorder permissions booleans in user admin

[Ben Spaulding]

The boolean permissions should be in a more logical order. It makes sense to list the three permissions booleans in order of ascending power, i.e. the user can:

1. log into the site,
2. log into the site and admin,
3. log into the site and admin, and alter anything.

This change will make the learning curve a little smoother for new users. It may catch a few current users off guard, but the sensible nature of the change will take quickly.

[Chris Beaven]

This should either go to design decision or ready for checkin. It's a small decision, so I'll let a commiter make it by pushing it forwards.

[Adrian Holovaty]

(In [12203]) Fixed #11409 -- Reordered the permissions checkboxes in the admin into a more natural progression. Thanks, benspaulding