Updated TODO list.

TODO.txt

@@ -1,7 +1,9 @@
 Code:
 - Connect to VTK.
 - Rotation has a 'bump' at 0.
+- Rename InputServer to EventServer.
 
 Thesis:
 - Network protocol.
 - Cited to VTK book, is this ok if I didn't read it?
+- TUIO/VTK van preliminary naar appendices?