bugfixes: L::Local::LIMS supplies CGI::Simple object for C::R::PDF to call query() method - for mail_reports.pl; update_request validation removes jquery watermarks on date/time fields; removed BEGIN block from request_forms.cgi and loaded FindBin from local::lib to avoid system Carp issues; changed request_report to request_report_view in chart.sql
moved C::Request::_send_email_alert() to C::Roles::RecordHandler for sharing with L::Local::EmailAlert; new class L::Local::EmailAlert; moved L::Local::Reports function to L::Local::LIMS for use with L::Local::EmailAlert and L::Local::Reports which provide LIMS environment for cron scripts; new cron unsent_diagnosis_status_alert.pl
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
