patched t/ tests in line with recent app changes

changed Dispatch param from _whoami to Class; removed do_ajax from unprotected runmodes, added ajax class to unprotected classes; bugfix to LIMS::_check_portal_referral() - added user profile to list of requirements; increased test count on column_types.t

bugfixes to test suite

bugfixes to allow test suite to pass

bugfixes to bring test suite up to date - all tests (2857) pass

hilis3 conversion scripts for YHHN