Changed healer -> buffer

- Healer is now a Buffer
- gives 5 second buffs to velocity and atk rate
Merge branch 'developer' of https://github.com/jcollins2014/Project into developer

Conflicts:
	Assets/EnemyContainerScript.cs
	Assets/Scenes/GameScene.unity
	Assets/Scripts/Game/Enemies/Chaser/EnemyChaserScript.cs
	Assets/Scripts/Game/Enemies/EnemyBaseScript.cs