adjusted trend analysis chart x-axis display and duration

combined trend_analysis config data from C::Chart & M::Audit into yml file for simplicity of maintenance and extension

new audit function 'trend analysis' - requires ChartDirector v6 for rounded-corners

new function to anonymise charts if requiring anonymised report

moved genomics_xml uat definitions to settings file; new process_size charting script

made CD4 regexen in HIV chart plot non-greedy in case result summary entered without line-feeds; checked all HIV vals pass Scalar::Util::looks_like_number() test or issues error msg; configured chart to display error messages; added setGapColor on HIV chart

patched charts & audit functions to handle minimal datasets eg UCLH not using tissue samples, and having empty dataset using date restriction

interim report refactor commit

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

Hb from g/cL to g/L

adjustments to tuenaround times chart display

fixed error in turnaround charts method where default query didn't separate BMA & BMAT; other minor turnaround times tweaks

moved function to fill in missing data points for turnaround charts from audit class to chart class; re-installed x_percentile callback for tt to allow several values to be calculated; fixed sql comment in library.sql causing error.log entries

some turnaround times chart tweaks - forgot png header, added specimen title to chart, removed 'by specimen' as option for turnaround times as no other in use

turnaround times 95-percentile charts; fixed ajax.t errs