Remove code that bypasses some midonet plugin unit tests

Multiple subnets unit tests were skipped

Closes-Bug: #1227079
Change-Id: Iffe731722d0e6c515bc64923673218ddde98c1f6
Fix port deletion in NEC Plugin

Cascade on delete from ports.id to packetfitlers.in_port is added
to ensure packet filter entries associated with a port.
Also joined query of packetfilter with port query is added
to avoid additional packetfilter query by port_id.

Fixes: bug #1212102

Change-Id: I8a67649f3361480eda6377b1d8a30bebd18aa714
Sync gettextutils from oslo

Add type check for Message params when setting locale to avoid
AttributeError.

Fixes bug: #1229364

Change-Id: I6fe55ebc4eea5fef1d335ad83a84c4879f7f06f9
add portbinding host into vip port

When creating vip port, add 'host' into port data.

Bug #1227091

Change-Id: I0f59b3b56a4a26561a10e5645c8ebf803b2c6a70
Merge "add portbinding host into vip port"
Merge "Remove code that bypasses some midonet plugin unit tests"
Merge "Fix port deletion in NEC Plugin"
Merge "Sync gettextutils from oslo"