(run_mkisofs): Store the image in /movies/tmp/, since that partition

	has more space.

mkiso.py

@@ -54,7 +54,7 @@ def run_mkisofs(bases, files, media_id):
     """Create an ISO image.
     """
     fp = os.popen(cmdline(bases, files, media_id,
-                          "-o /usr/tmp/%s.iso" % media_id),
+                          "-o /movies/tmp/%s.iso" % media_id),
                   "r")
     fp.close()