modified input form to work with IE8 - doesn't support placeholders or client-side validation; new requested_by field, moved taken_by & datetime fields to pdf form
moved username & centre param handing to session; simplifed separate db calls to single model() function; app_version git log function; merged Ajax class _get_referral_sources() with autosuggest_location route
moved get_pds_data() block to Role::PDS - don't need 'with' followed by 'with' any more in Validate; made logo img-responsive class to enable dynamic resize; tt layout rearrangements
removed params & config tokens from before_template hook (automatic anyway); renamed search() to to disambiguate from 'var'; moved content of _validate_form() & _validate_nhs_number() back into routes (only 2 lines each); Path::Tiny in Role::PDS
