Information pane remember position

The infopane will remember if it is currently up or down between
sessions.

ocarina/info.py

@@ -140,14 +140,20 @@ class TwoWayPane(InfoBar):
 		self.bar = self.contents
 		self.tab = InfoTab(self.down_button)
 		self.pack_start(self.tab)
+		if libsaria.prefs["INFOPANEUP"] == True:
+			self.up_button()
+		else:
+			self.down_button()
 
 	def up_button(self):
 		self.bar.hide()
 		self.tab.show()
+		libsaria.prefs["INFOPANEUP"] = True
 
 	def down_button(self):
 		self.bar.show()
 		self.tab.hide()
+		libsaria.prefs["INFOPANEUP"] = False
 
 
 def init():
@@ -165,6 +171,7 @@ def init():
 	import label
 	import image
 
+	libsaria.init_pref("INFOPANEUP", False)
 	info   = TwoWayPane()
 	filter = FilterBar()
 	add_info_page("Now Playing", NowPlaying())