Remove dead socket code

* createServer function in framedsocket.js
* svmpsocket.js
More thorough log messages, part 1
More thorough log messages, part 2
Updated to use SVMP Overseer Client for Overseer API requests

Both the proxy and CLI now use the SVMP Overseer Client to make
API requests.
Removed q-io package that is no longer needed for async http
requests.
Fixed a couple of logging glitches.