[MIGR] Set the 'installable' flags to False on addons. They should be activated when their migration is done.

pingen/__openerp__.py

@@ -113,7 +113,7 @@ Dependencies
         'security/ir.model.access.csv',
         ],
     'tests': [],
-    'installable': True,
+    'installable': False,
     'auto_install': False,
     'application': True,
 }