fixed circular ref inside C::Admin::Config::OutreachPractices; added 'skip_wrapper' flag for shared resource practice/clinician/GP/etc lookup function when called as popup; re-arranged some resources urls
moved Devel::Cycle find_cycle() code from cgiapp_init to teardown, and made it permanently active for non-fastcgi requests - found and fixed many circular refs inside callback subs; new resources menu items; new file-uploader scripts
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
