Fix format_address bug on court show page
fix address format helper

CF-156 Map should not be displayed when there is no visiting address.

CF-149 Copy change for landing page

CF-156 add test specs for map display logic

CF-157 copy change to 'Court finder' from 'Court or tribunal finder'
Merge pull request #52 from ministryofjustice/addresses

CF-135 Allow admin to choose address type as Visiting or Postal.