poll both stdin and mpd using one select()

this allows for immediate reading mpd events

src/lyrics.cpp

@@ -69,7 +69,6 @@ Lyrics *myLyrics = new Lyrics;
 void Lyrics::Init()
 {
 	w = new Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	isInitialized = 1;
 }