Description of configuration options for nec

Configuration option=Default value	Description
cert_file=None	(StrOpt) Certificate file
default_router_provider=l3-agent	(StrOpt) Default router provider to use.
driver=trema	(StrOpt) Driver to use
enable_packet_filter=True	(BoolOpt) Enable packet filter
host=docwork	(StrOpt) The hostname Neutron is running on
port=6379	(IntOpt) Use this port to connect to redis host.
port=8888	(StrOpt) Port to connect to
router_providers=l3-agent,openflow	(ListOpt) List of enabled router providers.
use_ssl=False	(BoolOpt) Enable SSL on the API server