Make the unauth "Sign In" button link to the users path.

This can be changed to link to the Portal Login later.
Liven up the visitor page.
Make the search form have class 'well' from Bootstrap.
Move search button outside of the tab.
Remove Show/Back buttons from profile edit page.
Change search "Basic" tab to "Text".
Make the search text input wider.
Add a new 'completing users' search filter.

Also correct "Category" => "Categories".
Improve the management pages' styles.