Created door / button system
Implemented Signals class
Merge branch 'master' of https://github.com/GameOverLA/ProjectJohannesburg

Conflicts:
	Assets/Materials/Billboard.mat
	Assets/Materials/Billboard.mat.meta
	Assets/Materials/Shaders/Billboard.shader
	Assets/Materials/Shaders/Billboard.shader.meta
	Assets/Scenes/DetectionTest.unity
Set up remote button activation by Spyder bot
Removing redundant behavior manager plugin files from assets directory, changing EnemyMarker.cs to take walls into account
Merge branch 'master' into spyder_jumping_reimplement

Conflicts:
	Assets/Actors/Bot_Spyder.prefab