Changed sprites to white versions
Added glow to force generator.
Added compute shader for field forces, now to make it pretty!
Added point charges for field line trails.
Changed point charges to spawn on perimeter of bounds.
Merge remote-tracking branch 'origin/master' into particles

Conflicts:
	Assets/Levels/level1.unity
	Assets/Prefabs/Box.prefab
	Assets/Prefabs/Hero.prefab
	Assets/Scripts/ForceGenerator.cs
	ProjectSettings/Physics2DSettings.asset
	ProjectSettings/TagManager.asset
Fixed merge conflict