Add OCA as author of OCA addons

In order to get visibility on https://www.odoo.com/apps the OCA board has
decided to add the OCA as author of all the addons maintained as part of the
association.

base_report_to_printer/__openerp__.py

@@ -78,7 +78,7 @@ Contributors
 * Lionel Sausin <ls@numerigraphe.com>
 
     """,
-    'author': 'Agile Business Group & Domsense, Pegueroles SCP, NaN',
+    'author': "Agile Business Group & Domsense, Pegueroles SCP, NaN,Odoo Community Association (OCA)",
     'website': 'http://www.agilebg.com',
     'license': 'AGPL-3',
     "depends": ['base', 'base_calendar'],

pingen/__openerp__.py

@@ -22,7 +22,7 @@
 {
     'name': 'pingen.com integration',
     'version': '1.0',
-    'author': 'Camptocamp',
+    'author': "Camptocamp,Odoo Community Association (OCA)",
     'maintainer': 'Camptocamp',
     'license': 'AGPL-3',
     'category': 'Reporting',

pingen_document/__openerp__.py

@@ -22,7 +22,7 @@
 {
     'name': 'pingen.com integration (document)',
     'version': '1.0',
-    'author': 'Camptocamp',
+    'author': "Camptocamp,Odoo Community Association (OCA)",
     'maintainer': 'Camptocamp',
     'license': 'AGPL-3',
     'category': 'Reporting',

printer_tray/__openerp__.py

@@ -38,7 +38,7 @@ Report to printer - Paper tray selection
  This allows you to dedicate a specific paper source for exemple for prepinted
  paper such as payment slip.
  """,
- 'author': 'Camptocamp',
+ 'author': "Camptocamp,Odoo Community Association (OCA)",
  'maintainer': 'Camptocamp',
  'website': 'http://www.camptocamp.com/',
  'depends': ['base_report_assembler',