v2.0.0 beta 2

Some fixes and a new UX for step sequencer:

303:
potentiometer changes notes, shift + potentiometer changes octave

808
potentiometer changes voice, shift + potentiometer changes voice config(midi cc or cv port)

• fix slide behaviour or 303 engine
• fix full sized step sequencer nav behaviour. added uOne support and s…
• fix slide/tie event
• simplified change interface for pagecomponent, now it can handle seco…
• added 303 octave/note control behaviour
• update uCtrl version