Added + or - Score Methods to ScoreController

I think health is good to go at this point. I don’t think that when you
die we want to change scenes just yet, there is no reason to, but at
least or right now it adds some closure to the game and a way to
restart it.

djGame/Assets/scripts/ScoreController.cs

@@ -12,31 +12,39 @@
 public class ScoreController : MonoBehaviour
 {
 
-	public int scoreRate;
-	private float score;
+	public int scoreRate = 0;
+	private float score = 0;
 	private bool pause = false;
 
-	void Start ()
-	{
+	void Update ()
+	{		
+		IncrementScore ();
+		UpdateScore ();
+	}
 
+	public void IncreaseScore (int amount)
+	{
+		score += amount;
 	}
 
-	void Update ()
-	{		
-		IncrementScore ();	
+	public void DescreaseScore (int amount)
+	{
+		score -= amount;
+		if (score < 0) {
+			score = 0;
+		}
 	}
 
 	void IncrementScore ()
 	{
-		if (scoreRate != null && !pause) {
+		if (!pause) {
 			score += scoreRate * Time.deltaTime;
-			UpdateScore ();
 		}
 	}
 
 	void UpdateScore ()
 	{
-		gameObject.GetComponent<GUIText> ().text = "Score: " + Mathf.Round (score).ToString();
+		gameObject.GetComponent<GUIText> ().text = "Score: " + Mathf.Round (score).ToString ();
 	}
 
 	public void PauseScore ()