HMRN (JD) - add function to rename treatments

added self-close js function for popup windows; changed null request history times (00:00:00) to display as ??:??:??

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

moved jquery.js loading into html_wrapper and commented out all other refs to load it

HMRN admin fubnction to add new treatment & trial options