Add direction of edges out of nodes in graph
Start to implement the color_scan task that should handle the navigation of the NXT.
Merge branch 'master' of https://github.com/Vandborg/SW505E14-Software

Conflicts:
	BTCom/BTCom/Program.cs
Merge branch 'master' of https://github.com/Vandborg/SW505E14-Software
Update color_scan task
Update color scan
Fix bug in shortest path
Fix bug causing sensors to stop working
Merge branch 'master' of https://github.com/Vandborg/SW505E14-Software

Conflicts:
	BTCom/BTCom/Program.cs