Libsaria initialization

I now initialize libsaria during import, rather than as a separate step
afterwards.

libsaria/__init__.py

@@ -63,3 +63,6 @@ def shutdown():
 	import plugin
 	plugin.quit()
 	event.start("POSTQUIT")
+
+
+init()

ocarina.py

@@ -10,7 +10,6 @@ import ocarina
 
 from ocarina import collection
 
-libsaria.init()
 libsaria.init_pref("window_size", (800,600))
 
 prefs = libsaria.prefs