[rygel] (14 commits) ...Use GLib.warning() for displaying warnings

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

Summary of changes:

  d275725... Update schemafile for Folder and Mediathek (*)
  2ea2578... Add Readme for Mediathek plugin configuration (*)
  15d5d50... Rename gconf key from folder to folders (*)
  d934874... Fix schema file (*)
  121ad89... Use configuration class (*)
  c78d252... Add get_int_list method to Configuration class (*)
  24fda31... Fix exception handling (*)
  5e98a9f... Fix missing return value (*)
  4d651fc... Simply use basename everywhere (*)
  d15bffa... Remove MediaItem subclass (*)
  6a76963... Use Configuration class instead of raw gconf (*)
  8de8a77... Minor indentation fix (*)
  49ecefa... Mediathek plugin should be enabled in the config (*)
  248eaf0... Use GLib.warning() for displaying warnings (*)

(*) This commit already existed in another branch; no separate mail sent