Update support library, slightly modify properties, and fix a minor typo
in SaveDialogFragment
Playing around with using the new display to modify the song. This new
code allows you to click on one of the buttons in the display, and it
will increment the chord degree by 1 (except wrapping around to 1 if the
current chord is the 7 chord). This will also update the song so that
the next time it is played, it will use the new values.