Pause after in local variable

The pause after current track plugin should store its variables in
something local to the plugin and not in the libsaria.vars map.

plugins/pause_after.py

@@ -2,21 +2,19 @@
 
 import ocarina
 libsaria = ocarina.libsaria
-vars = ocarina.libsaria.vars
 menu = ocarina.menu
+do_pause = False
 
 def check_pause(*args):
-	if vars["PAUSEAFTER"] == True:
+	if do_pause == True:
 		libsaria.audio.pause()
-		vars["PAUSEAFTER"] = False
+		do_pause = False
 
 def set_pause(*args):
-	vars["PAUSEAFTER"] = True
+	do_pause = True
 
 def start():
 	text = "Pause after current song"
-	libsaria.init_var("PAUSEAFTER", False)
-
 	menu.add_common_menu_item(text, set_pause)
 	libsaria.event.invite("POSTNEXT", check_pause)