Provide atomic database access for ports in linuxbridge plugin

Fixes bug 1097541

Change-Id: I3b16b4504b7b61cebe44df5c169f4877969c8628
Fix i18n messages for cisco plugin

fix bug 1101676

Change-Id: I671092b4c47b77bc42474b5bf2f6b8d9791acce6
Enable test_agent_ovs_cleanup to be run alone

Fixed bug 1102243

Change-Id: I0d3df32301903a0ce8547fe50fd03222e1548a72
Fix i18n messages

Fix the last scraps of messages

Change-Id: I0494ab43fa95b7040de2b5a596fa08b9c73aab8d
Support Port Binding Extension in NEC plugin

Fixes bug 1099894
nova/network/quantumv2/api fill the bridge name according to
binding:vif_type attribute passed from Quantum. Otherwise the bridge
is set to None and launching an instance will fail.

blueprint vif-plugging-improvements

Note that binding:capabilities is under discussion and it may be
changed in the future. This commit just adds NEC plugin support
same as OVS and Linux bridge plugin.

Change-Id: Ifd43c3c53615246187621613f72490b62a09b2d6
set allocation_pool_id nullable=False

fixes bug 1103216

SQL Primary Keys cannot be null, so this patch fixes an
inconsistency between the models and SQL.  The databases were
correcting this automatically, so a migration is not required.

Change-Id: I724294580de9b86a2edfd4fdc6907e9469b6c552
Merge "Support Port Binding Extension in NEC plugin"
Merge "Provide atomic database access for ports in linuxbridge plugin"
Merge "Fix i18n messages"
Merge "Fix i18n messages for cisco plugin"
Merge "set allocation_pool_id nullable=False"
Merge "Enable test_agent_ovs_cleanup to be run alone"