vnswad now take configuration in the standard ini format.
Default configuration file is read off /etc/contrail/vnswad.conf

One can override the values from the config file through command line option.
The list of vnswad configuration parameters are specified in src/vnsw/agent/test/vnswad.conf
Merge pull request #642 from Juniper/ashoksr_ini4

vnswad now take configuration in the standard ini format.