TuneUp Version 41

Command cleanup:
- R now toggles Repeat Playlist On/Off.
- The former R command, "Remove the current song from this playlist," is now
  the second option under E.
- E opens an accessible two-option menu:
  1. Empty all songs from the current playlist.
  2. Remove the current song from this playlist.
- The Repeat Playlist Tab control now also tells the user that R toggles Repeat.
- The F1 command list is alphabetized. Numbered station shortcuts 0 through 9
  are grouped first, followed by the remaining commands in alphabetical order.
