Update printer_webui/util/comm.py

Enables bed target temperature display.
Merge pull request #14 from imitation/master

Bugfix: Bed target temp now shows in graph
Merge branch 'master' into socketio
Removed Cura logo as favicon -- isn't fitting anymore
Merge remote-tracking branch 'origin/master' into socketio
Changed message queue... but still not happy with that...
Broken commit... redoing the complete messaging to the frontend, part 1
Merge branch 'socketio' of //kara/Ultimaker/PrinterWebUI into socketio
State is now sent in update bundles to the frontend if updates are available, but not more frequently than every 500ms.
Reset gcode state when done loading