added format_firstname callback in templates to enable user-configurable special formatting to first_name - uses format_first_name sub in render_view + format_firstname.yml; changed user_location.region_code to varchar(5) to allow longer parent organisation codes}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1158 4177bd82-f056-0410-812d-caef170e3fa0
