V5 Push

Here's a list of changes/features: https://github.com/RetroMusicPlayer/RetroMusicPlayer/releases/tag/v5.0

Internal Changes:
1) Migrated to ViewBinding
2) Migrated to Glide V4
3) Migrated to kotlin version of Material Dialogs

app/src/main/java/code/name/monkey/retromusic/interfaces/IAlbumArtistClickListener.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2020 Hemanth Savarla.
+ *
+ * Licensed under the GNU General Public License v3
+ *
+ * This is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ */
+package code.name.monkey.retromusic.interfaces
+
+import android.view.View
+
+interface IAlbumArtistClickListener {
+    fun onAlbumArtist(artistName: String, view: View)
+}

app/src/main/java/code/name/monkey/retromusic/interfaces/IMusicServiceEventListener.kt

@@ -21,6 +21,8 @@ interface IMusicServiceEventListener {
 
     fun onQueueChanged()
 
+    fun onFavoriteStateChanged()
+
     fun onPlayingMetaChanged()
 
     fun onPlayStateChanged()