added lab-tests signed-off to Resources audit section; added results summary updates to ppm & results server feed; results summary textbox & select entries joined by new-line not semi-colon
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
added user permission restrictions to resouces links; restricted resources/new_diagnoses list to users location if not lab-staff - doesn't work properly yet; changed LIMS::_debug_authen() to use LIMS::Local::Debug::DEBUG() instead of self->debug() to avoid circular ref to self in caller; added specimen description to patient summary display