Design Tuning Fork
Tuning Fork : Implementation of previous/next note/octave buttons.
Still need to finish design for it.
Tuning Fork : Added updateView Function to factorize code.
Tuning Fork : Fix bug Adjust Reference Pitch : Seekbar works again.
Tuning Fork : Adjust Design. Still need some changes.
Tuning Fork : Design finished => Tuning Fork finished
Merge branch 'tuningfork'