GoneMAD Music Player

This update mainly focuses on the addition of the mini player to the bottom of the library view (and will also be on other views where it makes sense) but I did also make some improvements in the play / pause animation. Above shows the new mini player.  Just like every other view so far, the metadata portion will be customizable and you will be able to choose how many buttons are shown.   Right now you can choose between prev track, play/pause, and next track.  I may open it up to some of the other media actions like shuffle / repeat but i havent decided on that yet. In the WIP4 post I had shown off a little chunk of the code that added a bunch of "behaviors" to a view.  The behaviors contain all the common code for a particular behavior of a UI view.  This allows me to rewrite the same (or very similar) chunks of code for different UIs.  GMMP 1/2.x was loaded with repeated code despite my best efforts to refactor.  Anyway, since the mini player shares a lot of the

In this update I added a library view similar to the one in the old UI.  I also added in an artist list, genre list, and track list tabs. The big difference with this one is the toolbar will collapse when you scroll down and if you scroll up it will become visible again Here is a video of it in action The plan with the library view is to allow the user to choose which views to add to the library (others will end up in the side navigation view if they are not in the library), the title of those views, and their order.  Below is the chunk of code responsible for building the library, its "hardcoded" currently but will be fairly simple to hook up to the preferences. v.setupAdapter(listOf(BaseFragmentEntry("Artists", ArtistListFragment::class)                                   , BaseFragmentEntry("Albums", AlbumListFragment::class)                                   , BaseFragmentEntry("Genres", GenreListFragment::class)