Obstacles functionality
Forgot solution update at Songsheng
Finish and replace Path
Modify Yang's code as he intended to do
Add asset for showing rail direction
Merge branch 'dev' of github.com:hermanbanken/LightRailGame into dev

Conflicts:
	Dummy/Assembly-CSharp-vs.csproj
	Dummy/Assembly-CSharp.csproj
	Dummy/Assets/GUIControl.cs.meta
	Dummy/Dummy-csharp.sln
	Dummy/Dummy.sln
Test if found cycle is actually a cycle
Fix railway