Updated TODO

- upgrade keyboard experience
+ undo and redo

I also moved the todo list from doc/road to TODO
and added TODO to the EXTRA_DIST in main Makefile.am.

Makefile.am

@@ -1,2 +1,2 @@
 SUBDIRS = src doc gfx
-EXTRA_DIST = doc gfx
+EXTRA_DIST = doc gfx TODO

TODO

@@ -1,10 +1,5 @@
 short list of features not yet implemented
 
-keyboard experience upgrade
-  highlight keys
-  play note on insertion
-  play note on move
-  adjust sensor area by 1 or 2 pixels
 keyboard input
   play notes on keyboard
   allow sustain
@@ -23,6 +18,7 @@ the event editor
   menu
 import midi file
 record midi input
+undo and redo
 graphical upgrades
   horizontal rule
   allow disconnected noteon, noteoffs