referral_source autosuggest loads only active records for registrtaion and request edit functions; new column is_active on referral_sources table; refactored list_all_screen_tests table to show screen categories
patched C::Report::preview_report() to handle Outreach requests; refactored some M::Outreach code into new M::Roles::Outreach role for sharing between reporting function and followup option editing
modified C::Report to handle Outreach cases; prevented redirect to root url from C::Report for Outreach cases if record locked; more Outreach lab_test & demographics functions
