Fix not actually instantiating EBG
Move robot movement logic to robot class
Merge branch 'master' of https://github.com/GGJ204-EBUG/EnemyBuildingGame

Conflicts:
	EnemyBuildingGame/Assets/Scenes/Battle.unity
	EnemyBuildingGame/Assets/Sounds.meta
	EnemyBuildingGame/Assets/Sounds/reflectsofashield.wav.meta
Robots accept target heading and speed
Changed how robots are controlled