[IMP] base_report_to_printer - replace lpr by use of pycups
[IMP] base_report_to_printer - replace lpr by use of pycups

yvaucher/report-print-send,acsone/report-print-send,raycarnes/report-print-send,akretion/report-print-send,rschnapka/report-print-send,rschnapka/report-print-send,vrenaville/report-print-send,raycarnes/report-print-send,acsone/report-print-send,vrenaville/report-print-send