Start some simple prefs panels. Different kinds of layouts used (ie audio vs video panel). This will have to be standardized (i beleive that the video panel is better).

Implement integer config control

Start using media library

Forgot this file

* Fix a memory leak / crasher

* Start putting together all interface strings (Refs:#703)

* Fix a nasty playlist crash

 * Add atrack, vtrack and strack commands. Those can be use to display/change audio, video and subtitle tracks.
 * Fix compile warning in enqueue command.

  This should help identify the producing encoder and fix some issues with codec specific problems