Added log4php appender which buffers last 50 lines and notifies listeners when new log events occur.
Fixed open html tag.
HTTPAPI: Added ability to publish and react to WebSocket/WAMP client subscribes.
WEBUI: Added working log console.

Uses WebSocket/WAMP protocol to update the console.
Added Content-Type header for CSS files (so that IE will be happy)
Show websocket errors in the log console.
Limit max amount of log lines to 1000 in web browser.
Get WebSocket URI from HTTPAPI instead of using hard coded URI.