Add basic scripts for triggers and examinable objects

* Add basic signpost script
Pesudo alt serialization for SignalR ghost data
Psuedocode string serialization in GhostPosition.cs
Merge branch 'dev/paul' of github.com:harjup/WizardBroadcast into dev/paul
Merge branch 'master' of github.com:harjup/WizardBroadcast
Merge branch 'dev/paul'

Conflicts:
	Assets/Common/GhostPosition.cs
	Assets/Scripts/GhostPlayer/SignalrEndpoint.cs
Merge branch 'master' into dev/paul
Basic sign-reading workflow

* Kill all that ITrigger garbage, it was overkill and I'm a dumb