Execute _firstname_install when installing, and log it.

partner_firstname/__openerp__.py

@@ -30,6 +30,7 @@
     'data': [
         'views/res_partner.xml',
         'views/res_user.xml',
+        'data/res_partner.yml',
     ],
     'demo': [],
     'test': [],

partner_firstname/models.py

@@ -18,10 +18,14 @@
 #    You should have received a copy of the GNU Affero General Public License
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import logging
 from openerp import api, fields, models
 from . import exceptions
 
 
+_logger = logging.getLogger(__name__)
+
+
 class ResPartner(models.Model):
     """Adds last name and first name; name becomes a stored function field."""
     _inherit = 'res.partner'
@@ -100,3 +104,4 @@ class ResPartner(models.Model):
 
         # Force calculations there
         records._name_inverse()
+        _logger.info("%d partners updated installing module.", len(records))