Fix OVSQuantumAgent.port_update if not admin_state_up

self.agent does not exist. Use self.plugin_rpc, not
self.agent.plugin_rpc.

Change-Id: Id472c07f5a16891c040cc1afdcb457e1ef81beed
Finish adding help strings to all config options in Quantum code.

This adds reasonable help strings to all remaining config options
in Quantum code. This includes all the plugins as well.

Fixes bug 1101356

Change-Id: I1cbe8303ad6d86756b992ae302707a0365625f52
Fix branch in db migration scripts

Fixes bug #1108781

Change-Id: Ia6cfcc4a1cc39136bad99be26f40aac9fa3e3e70
Make protocol and ethertype case insensitive for security groups

Fixes bug 1104495

Change-Id: I0d93f5e849ebe0be72fff8c1d82f5825540df338
Merge "Finish adding help strings to all config options in Quantum code."
Merge "Fix branch in db migration scripts"
Merge "Make protocol and ethertype case insensitive for security groups"
Disable dhcp_domain distribution when dhcp_domain is empty

fixes bug 1099625

Change-Id: Ib86770345c46a0dd8bb38a4c3e435420170828af
correct spelling of Notify in classname

fixes bug 1109310

Change-Id: Ida94b51d069f44bcc3e1e24f868dbe46bf136ee1
Merge "Fix OVSQuantumAgent.port_update if not admin_state_up"
Postgresql ENUM type requires a name exceptions NVP Plugin

Fixes bug 1109824

Change-Id: I62beceaa14773de94e79d7017658f9f6e6212bb6
Imported Translations from Transifex

Change-Id: I04b8dddcb3f6c3c566e3b383d22989ee454f6146
Merge "correct spelling of Notify in classname"
Merge "Imported Translations from Transifex"
Merge "Disable dhcp_domain distribution when dhcp_domain is empty"