Add support for router scheduling in Cisco N1kv Plugin

Added functionality for router and network scheduling
in Cisco N1kv Plugin.

Change-Id: I1a8d27670d10ca26fb62a8d02230a1aaf3e7bbca
Closes-Bug: #1286412
BSN: Remove module-level ref to httplib method

Removes a module-level variable that was just a
pointer to the httplib.HTTPConnection class. It's
purpose was to give mock.patch a target that wouldn't
affect other code using the httplib.HTTPConnection
library. However, it is unnecessary now that the
root cause of the original patches not being stopped
by mock.patch.stopall was fixed in bug 1303605 (change
Ia5b374c5f8d3a7905d915de4f1f8d4f3a6f0e58d).

Closes-Bug: #1304558
Change-Id: Idf814b075a80245bb9751466c2b58d719a1b81f3
Merge "Add support for router scheduling in Cisco N1kv Plugin"
Merge "BSN: Remove module-level ref to httplib method"