added path to local perl lib to cron scripts; modifications to activity_data.pl; added additional highlighting to outreach limits & ranges

LIMS::Dispatch passes class_name to LIMS so authen->protected_runmodes can be skipped for certain classes; added hilis user to users table; completed mail_reports.pl functions with L::Model::update_request_dispatch_log()

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