Fix subnet-delete.
Addressing code review comments
Add docstrings to some functions of n1kv_profile_db
Merge branch 'n1k-plugin' of https://github.com/CiscoSystems/quantum into n1k-plugin
Few more fixes for the DHCP rpc calls
Fixing the etc path for the Cisco plugin
Fix to the config file finder
Address some more review comments
Remove README file from the N1KV plugin.

Signed-off-by: Kyle Mestery <kmestery@cisco.com>
Fixing merge conflicts
Adding a default for config-dir