* doc/Makefile: Add clean target.
* doc/emms.texinfo: Space out nodes.

This makes editing a bit easier.
* FAQ: Remove this file.

This is an ancient file of doubtful use.
* NEWS: Update news.
* NEWS: Add a note.
* lisp/emms-compat.el: Hush the compiler about hl-line-highlight.
* lisp/emms.el: Replace obsolete function.

This has the pleasant side effect of quietening the compiler.
* lisp/emms-player-mpd.el: Require the code which provides emms-cache-db.
* lisp/emms-player-mpd.el: Require code which provides emms-url-... functions.
* lisp/emms-source-file.el: Add required code.
* lisp/emms-streams.el: Use newer paradigm.
* lisp/emms-tag-editor.el: Use newer paradigm.