ml2: gre, vxlan type driver can leak segment_id

When multiple region of segment_id is specified, segment_id can leak
(will be never reused) on deletion of network.

Change-Id: Ia27b7e2c0ff4ab58be304e54123a679a5e35ab00
Closes-Bug: #1260262
Midonet plugin: Fix source NAT

Source NAT rule was being applied on the incorrect port.
It was being applied to the Neutron gateway port, not to
the MidoNet tenant / provider router link port.

Change-Id: Ib818c09adfb6957b7cad4523e5ce1fdffde9590b
Closes-Bug: #1261665
Change default eswitchd port to avoid conflict

Previous default for eswitch/daemon_endpoint would set a TCP port (5001)
which is in the range of the well known ports.
Change to unreserved port (60001) will avoid that conflict.

Change-Id: I711c4659f497e44a6041ec9958835c1f2f4174a7
Closes-Bug: #1245885
Imported Translations from Transifex

Change-Id: I97f049cc4458a01e7f8d84a289c46ea8c57505f1
Merge "ml2: gre, vxlan type driver can leak segment_id"
Merge "Change default eswitchd port to avoid conflict"
Merge "Imported Translations from Transifex"
Merge "Midonet plugin: Fix source NAT"