Bug Fixes:
- Sequence Editor: Fixed move up, move down, remove buttons.
- Music Editor/Player: Show the 'mark' button in the player when playing from the editor, and hide it when the editor exits.
- File Manager: Fix color display.
- File Manager: Fix remove from bottom changing selection to top.
- Fix new directory creation in choose directory dialog.
- Song List Editor: raise the song list on startup. Raise the song list after selecting songs.
- Updated are you sure dialogs to have understandable button names.
- Fixed error during request.