Description of configuration options for nvsd

Configuration option = Default value	Description
[AGENT]
integration_bridge = br-int	(StrOpt) integration bridge
[nvsd]
nvsd_ip = 127.0.0.1	(StrOpt) NVSD Controller IP address
nvsd_passwd = oc123	(StrOpt) NVSD Controller password
nvsd_port = 8082	(IntOpt) NVSD Controller Port number
nvsd_retries = 0	(IntOpt) Number of login retries to NVSD controller
nvsd_user = ocplugin	(StrOpt) NVSD Controller username
request_timeout = 30	(IntOpt) NVSD controller REST API request timeout in seconds