last minor modifications before adaptation to use live HILIS data - codebase frozen as v1 tag

changed definitive report address in reports

minor re-factoring and improved code documentation

set development Email::Sender transport to Mbox; highlight changes in patient demographics email; set keyword 'fail' in email param to trigger email failure message; success message to form replaces rather than appends to previous message(s)

added email patient demographics function (test failure mode not working)

initial commit - working framework