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.

attachment_preview/__openerp__.py

@@ -21,7 +21,7 @@
 {
     "name": "Preview attachments",
     "version": "1.0",
-    "author": "Therp BV",
+    "author": "Therp BV,Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "complexity": "normal",
     "description": """

attachments_to_filesystem/__openerp__.py

@@ -21,7 +21,7 @@
 {
     "name": "Move existing attachments to filesystem",
     "version": "1.0",
-    "author": "Therp BV",
+    "author": "Therp BV,Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "complexity": "normal",
     "description": """

document_choose_directory/__openerp__.py

@@ -21,7 +21,7 @@
 {
     "name": "Choose a document's directory during upload",
     "version": "1.0",
-    "author": "Therp BV",
+    "author": "Therp BV,Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "complexity": "normal",
     "description": """

document_multiple_records/__openerp__.py

@@ -33,7 +33,7 @@ Contributors
 ------------
 * El Hadji Dem (elhadji.dem@savoirfairelinux.com)
 """,
-    'author': 'Savoir-faire Linux',
+    'author': "Savoir-faire Linux,Odoo Community Association (OCA)",
     'website': 'www.savoirfairelinux.com',
     'license': 'AGPL-3',
     'depends': [

document_page_approval/__openerp__.py

@@ -22,7 +22,7 @@
 {
     'name': 'Document Page Approval',
     'version': '1.0',
-    "author": "Savoir-faire Linux",
+    "author": "Savoir-faire Linux,Odoo Community Association (OCA)",
     "website": "http://www.savoirfairelinux.com",
     "license": "AGPL-3",
     'category': 'Knowledge Management',

document_page_multi_company/__openerp__.py

@@ -22,7 +22,7 @@
 {
     'name': 'Document Page Multi-Company',
     'version': '1.0',
-    "author": "Savoir-faire Linux",
+    "author": "Savoir-faire Linux,Odoo Community Association (OCA)",
     "website": "http://www.savoirfairelinux.com",
     "license": "AGPL-3",
     'category': 'Knowledge Management',

document_url/__openerp__.py

@@ -27,7 +27,7 @@
     'description': """
 Module that allows to attach an URL as a document.
     """,
-    'author': 'Serv. Tecnolog. Avanzados - Pedro M. Baeza',
+    'author': "Serv. Tecnolog. Avanzados - Pedro M. Baeza,Odoo Community Association (OCA)",
     'website': 'http://www.serviciosbaeza.com',
     'depends': [
         'document',