Outreach data summary displays calculated values where required; modified Outreach params chart output to accomodate calculated values; Outreach data summary template displays default vals as 'N'K', and numerical results to 3 sig figs; improved HMRN treatment options admin interface

mostly housekeeping, moving & renaming unused files, etc

added GP menu to HMRN demographics section; fixed more circular refs in C::Report::outreach() callbacks

moved some LIMS::Base methods out to LIMS::Role::Base; new cron mail_reports.pl - shares some methods from LIMS; exempted http requests to Chart methods from authentication to allow mail_reports.pl script to generate charts