commited changes to production server, made during report refactor on dev box - changed method of retrieving data for chart from screened_as to requested lab-tests; outreach CML patients use same chart as for Imatinib monitoring; activity_data.pl replaces default unknown dates< 1900 with NULL entry; bugfix to audit/revised_diagnosis.tt for users with 0 requests reported during selected duration
patched L::Mail::_sendmail() to add 'content-type' header in lowercase otherwise ignored; M::User::register_login() truncates HTTP_USER_AGENT to mex 255 chars; gallium_data.pl sends .dat file as well as .xls
