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/EventSystemizer.cs

@@ -0,0 +1,14 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+public class EventSystemizer : MonoBehaviour
+{
+    private void Update()
+    {
+        foreach (EventSystem system in FindObjectsByType<EventSystem>(FindObjectsSortMode.None))
+        {
+            if (system == GetComponent<EventSystem>()) continue;
+            Destroy(system.gameObject);
+        }
+    }
+}