Updated TODO

TODO

@@ -1,13 +1,11 @@
 // Easy
-- Write documentation
 - Translations into as many languages as possible
 - Improve man page
 - Add more keyboard shortcuts
 
 // Intermediate
 - Port on MacOS, Windows (and create an installer for Windows) - Progressing
 - Add some transparency (menus,...)
-- Add upnp port forwarding support
 
 // Harder
 - Allow user to organize the downloads into categories/folders
@@ -16,7 +14,6 @@
 
 // Waiting for libtorrent
 - File selection in a torrent in compact mode
-- Allow to prioritize files within a torrent
 - Allow to prioritize torrents
 
 // Unsure
@@ -42,4 +39,6 @@
 - Encryption support!
 - File selection in a torrent in compact mode???
 - Windows port : http:https://www.peerweb.nl/qbittorrent/experimentalbuild/testing.zip
-- Make use of QSessionManager to save application state
+- Make use of QSessionManager to save application state
+- Make use of dbus on Linux for the single instance instead of socket communication
+- Write documentation