Display 'real_name' field on user entity instead of 'name' if it exists.
- If the user entity type has a field with the machine name 'real_name'
and a user has filled in a value we use the value of that field instead of
the user's username anytime theme_username() is called.
- Fixes 7.x-1.x regression
Allow search block to be placed in a header region.
- Adds a new header region to page.tpl.php and .info file
- Fixes CSS for search-block when placed in the new header region to maintain
look and feel establisehd by 6.x version of the theme.
- Fixes regression in 7.x-1.x