Added custom options module for printers by report

corrections for travis tests

fix for flake8 errors and travis tests

added new sections and rapleced maintainers

added USAGE section in readme + bug corection for update of printers

changed copyrights

updated manifest and fix for case of false ppd

printer_custom_options/models/report_xml.py

@@ -0,0 +1,16 @@
+# Copyright 2019 Compassion
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo import api, fields, models
+
+
+class IrActionsReportXml(models.Model):
+    _inherit = 'ir.actions.report'
+
+    printer_options = fields.Many2many('printer.option.choice',
+                                       string='Printer Options')
+
+    @api.multi
+    @api.onchange('printing_printer_id')
+    def on_change_printer(self):
+        for report in self:
+            report.printer_options = False