[MIG] contract_variable_qty_timesheet: Migration to 12.0

* Standard procedure
* README by fragments
* Promoted to Production/Stable and declared maintainers
* Code adapted to v12
* Tests added

contract_variable_qty_timesheet/__manifest__.py

@@ -1,15 +1,17 @@
 # Copyright 2018 Tecnativa - Carlos Dauden
+# Copyright 2019 Tecnativa - Pedro M. Baeza
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 {
     'name': 'Contract Variable Qty Timesheet',
     'summary': 'Add formula to invoice ',
-    'version': '11.0.1.0.0',
+    'version': '12.0.1.0.0',
     'category': 'Contract Management',
     'website': 'https://github.com/oca/contract',
     'author': 'Tecnativa, '
               'Odoo Community Association (OCA)',
     'license': 'AGPL-3',
     'installable': True,
+    'development_status': 'Production/Stable',
     'depends': [
         'contract_variable_quantity',
         'hr_timesheet',
@@ -17,4 +19,5 @@
     'data': [
         'data/contract_line_qty_formula_data.xml',
     ],
+    'maintainers': ['carlosdauden', 'pedrobaeza'],
 }