Music implementation, cloud art, and bug fixes

Implemented music
Added cloud tiles
Made players be able to stand on each others' heads
Synced the music and day/night cycle
Added a transition in to the gameplay scene
Fixed blocking while dying bug

Assets/Scripts/ModeSelect.cs

@@ -0,0 +1,29 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+public class ModeSelect : MonoBehaviour
+{
+    private ToggleGroup maps;
+
+    private void Start()
+    {
+        maps = GetComponent<ToggleGroup>();
+    }
+
+    void Update()
+    {
+        Toggle toggle = maps.GetFirstActiveToggle();
+        if (toggle.name == "Free-For-All")
+        {
+            GameManager.gameMode = GameManager.GameMode.freeForAll;
+        }
+        else if (toggle.name == "Keep-Away")
+        {
+            GameManager.gameMode = GameManager.GameMode.keepAway;
+        }
+        else if (toggle.name == "Obstacle Course")
+        {
+            GameManager.gameMode = GameManager.GameMode.obstacleCourse;
+        }
+    }
+}