Add initial websocket live page

        - Hook up some basic events
Add initial regsiter_connection

        - Just a thread from C to lua
Register websocket connections

        - Also add registration
        - Refactor to DRY up reg/dereg code
Register push_message function

        - Can push message to websocket client
Fix issue writing to bad file descriptor

        - If a websocket descriptor goes away, don't abort app --
          just deregister the connection.
Add function to broadcast websocket message
Add broadcast endpoint

        - Can hit /broadcasts with JSON data and have it be sent to
          all websocket clients
Add broadcast of raw data to websocket clients

        - Can cat data into broadcast_raw.py
Display raw broadcast data

        - Used jquery to update DOM with broadcasted data