Updated from global requirements

Change-Id: I576919f28d7dd1a04ce1a3795bbf940b82d0d76f
Add L2 Agent side handling for non consistent security_group settings

Add setting of the firewall_driver to NoopDriver when firewall_driver is None and
add warning if driver combination is not valid.
Modify is_valid_driver_combination to verify default settings: enable_security_group (True) and firewall_driver (None).

Change-Id: I841f9cf96ac6ee2ad17a4e8908d6c8a96f368cca
Closes-Bug: #1296957
Enforce required config params for ODL driver

Raise a config error during initialization if
there is no URL, username, or password specified
in the config for the OpenDayLight ML2 driver.

Closes-Bug: #1301432
Change-Id: I65fc94d3eaaade3d1402d1c82d2c1edfa7133d5a
Merge "Enforce required config params for ODL driver"
NSX: ensure dhcp port is setup on metadata network

Change in scheduling behavior caused a regression
where the dhcp port is no longer provisioned on
the (admin) metadata network created when a subnet
is uplinked to a router.

This change recovers the past behavior and extend UT
coverage to avoid further regression.

Closes-bug: #1304127

Change-Id: I8420203f68a43368f3784adb0c4cbbe55f048662
Merge "Updated from global requirements"
Merge "NSX: ensure dhcp port is setup on metadata network"