uirework

* Log memory usage
* Standardize view elements so .view plugins have something to lean on

---- view plugins ------------------

 - class -> path mapping

special classes:
      home
      screensaver
      directory

contents:

      tracks (a list of tracks, such as Spotify playlist)
      album  (a list of tracks on the same album)
      albums (a list of albums)
      movies
      artist
      images
      tvchannels