implemented rudimentary enemy spawning
Merge branch 'master' of https://github.com/CatsFromMars/RubberDuckAdventure

Conflicts:
	Assets/Scenes/Test.unity
	Library/CurrentLayout.dwlt
	Library/InspectorExpandedItems.asset
	Library/ScriptAssemblies/Assembly-CSharp.dll
	Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	Library/assetDatabase3
	Library/expandedItems
	Library/guidmapper
	Library/metadata/2f/2f21abd52b9dc5e4fab200a303fdc001
	Library/metadata/4b/4bebb725d6e0d894bb4e4845811dbbcb
	Library/metadata/67/677ef868d3d0e7c4a84a7fe105d47069
	rubberDuckAdventure.userprefs