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.

help_online/__openerp__.py

@@ -21,7 +21,7 @@
 {
     'name': 'Help Online',
     'version': '1.0',
-    'author': 'ACSONE SA/NV',
+    'author': "ACSONE SA/NV,Odoo Community Association (OCA)",
     'maintainer': 'ACSONE SA/NV',
     'website': 'http://www.acsone.eu',
     'category': 'Documentation',