[4.0.0-RC6] Unity3D update

[list] [*] New design [*] New settings interface [*] By default now application starts on Cursus to help new Player on-boarding [*] Recorder improved [*] Add speed parameter in Says and Cursus [*] Add step number in Says [*] Add animation on key in Cursus to help Player to identify Key to play. [*] Add Dynamic melodie by fondamentale for key between B and Shift. [*] New color code for basses and accompagnements keys : Brown keys always in tune and Green keys other notes or chords of the scale. [*] Multiple bugs fixes [*] Add Replay and Demo button in Says and Cursus [*] F7 function key fixed [*] Name of chords from Limouziker showned on Fondamentale key [/list]