fix shadow settings and add a sun script to see shadows move based on time of day

Assets/TestScenes/MobileDeferredTest/ClassicDeferredPipeline.asset

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Assets/TestScenes/MobileDeferredTest/ClassicDeferredTest.unity

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 --- !u!157 &3
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+--- !u!114 &267028026
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+  daySeconds: 2400
+  speed: 0.02
+  blend: 0.75
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Assets/TestScenes/MobileDeferredTest/Scripts.meta

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Assets/TestScenes/MobileDeferredTest/Scripts/Sun.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Sun : MonoBehaviour {
+
+	public Transform eyePosition;
+	Light sunlight;
+
+	public Color daytimeSkyColor = new Color(0.31f, 0.88f, 1f);
+	public Color nighttimeSkyColor = new Color(0.04f, 0.19f, 0.27f);
+
+	// Use this for initialization
+	void Start () {
+		sunlight = GetComponent<Light> ();
+		sunlight.color = daytimeSkyColor;
+	}
+
+	public float radius = 6;
+	public float daySeconds = 1200;
+	public float speed = 0.01f;
+	public float blend = 0.25f;
+
+	private float timeAnim = 0;
+
+	// Update is called once per frame
+	void Update () {
+
+		timeAnim = (timeAnim + speed * Time.deltaTime) % daySeconds;
+
+		Vector3 midpoint = eyePosition.position; midpoint.y -= 0.5f;
+		float sunangle = timeAnim * 360;
+
+		sunlight.transform.position = midpoint + Quaternion.Euler(0,0,sunangle)*(radius*Vector3.right);
+		sunlight.transform.LookAt (midpoint);
+
+		sunlight.color = Color.Lerp(daytimeSkyColor, nighttimeSkyColor, timeAnim/blend);
+
+	}
+}

Assets/TestScenes/MobileDeferredTest/Scripts/Sun.cs.meta

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