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/Old/Hub/HubManager.cs.meta

@@ -1,2 +1,11 @@
 fileFormatVersion: 2
-guid: 3fbcc366ef6e3480399963dee7cad1cd
+guid: 3fbcc366ef6e3480399963dee7cad1cd
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: -20
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: