tied auto-unlocking to new [dr]na test requests in storage module; modified RfC to send email confirmation to sender; some new files for in-progress migration of additional_tests.yml to admin panel + db table
new home page (hello) link and quick search function on 'hello' page for non-lab-staff users; added optional sort_by to M::LabTest::get_section_lab_tests; added optional command-line arg to nycris.pl
