Nice-up GUI
LineEditorWindow
Use Rotorz.ReordableList
Working Line inspector
Abstract away GetInstanceID and remove unused serializing
Remove warning/logs
Fix bug in Dijkstra
Fix equality problem in Dijkstra impl.
Add future reference
Save Scene and last mod
Added two new maps (Scenes) - medium and large
Merge remote-tracking branch 'origin/dev' into dev

Conflicts:
	Dummy/Assets/Scene.unity
Remove bogus merge
Merge branch 'dev' into background