fixed_ip_get_by_address read_deleted from context

Fixes bug 996482. by default fixed_ip_get_by_address
always sets read_deleted='yes'.  Changed it to accept
read_deleted value from context.
updated .mailmap to rewrite my old email to new email

Change-Id: If94251972df7bbcfdeebc226613edac0a3f41186

.mailmap

@@ -79,3 +79,4 @@
 <nsokolov@griddynamics.com> <nsokolov@griddynamics.net>
 <troy.toman@rackspace.com> <ttcl@mac.com>
 <zulcss@ubuntu.com> <chuck.short@canonical.com>
+<jhtran@att.com> <jtran@attinteractive.com>

Authors

@@ -99,7 +99,7 @@ John Dewey <john@dewey.ws>
 John Garbutt <john.garbutt@citrix.com>
 John Griffith <john.griffith@solidfire.com>
 John Kennedy <john.m.kennedy@intel.com>
-John Tran <jtran@attinteractive.com>
+John Tran <jhtran@att.com>
 Jonathan Bryce <jbryce@jbryce.com>
 Jordan Rinke <jordan@openstack.org>
 Joseph Suh <jsuh@isi.edu>

nova/db/sqlalchemy/api.py

@@ -1070,7 +1070,7 @@ def fixed_ip_get_all(context, session=None):
 @require_context
 def fixed_ip_get_by_address(context, address, session=None):
     result = model_query(context, models.FixedIp, session=session,
-                         read_deleted="yes").\
+                         read_deleted=context.read_deleted).\
                      filter_by(address=address).\
                      first()
     if not result:

nova/tests/test_db_api.py

@@ -151,6 +151,8 @@ def test_network_delete_safe(self):
                           db.network_delete_safe, ctxt, network['id'])
         db.fixed_ip_update(ctxt, address2, {'allocated': False})
         network = db.network_delete_safe(ctxt, network['id'])
+        self.assertRaises(exception.FixedIpNotFoundForAddress,
+                          db.fixed_ip_get_by_address, ctxt, address1)
         ctxt = ctxt.elevated(read_deleted='yes')
         fixed_ip = db.fixed_ip_get_by_address(ctxt, address1)
         self.assertTrue(fixed_ip['deleted'])