Admin fixes...via proper pull request

Getting the pull request right this time....

Numerous admin fixes:

   * Text field for Site Name in Location edit form is now longer
   * Added QRIS rating as a dropdown menu in Location edit form
   * Fixed NoReverseMatch when trying to add new location.
   * Prevented non-admins from bypassing audit system by using batch delete command.
   * Fixed deletion confirmation page to remove "propose" when user is admin.
   * Put the delete button back in the Location edit page button row.