Changes to default envelope that removes clicks and pops for all instrument with envelopes

… void strumNotes(); Strum selected notes with fixed value

…trumNotes();

I have added 7 features
General:
1. New piano-like envelope for general instrument
Pianoroll
2. Humanize note position (speedbar-button)
3. Humanize note velocity (speedbar-button)
4. Strum from top  (speedbar-button)
5. Strum from bottom  (speedbar-button)
6. Shorten notes by 1/192 ( key - )
7. lengthen notes by 1/192 ( key + )
Methods demo: https://youtu.be/OlBtU0JYvyY

removes erroneous added file

removes erroneous added file

Removed include for random and debug

This update preserve all AFP-volume-envelopes and is fully backward compatible 
New objects from Sidebar| My-Instruments, will have a new more instrument-like std-envelope. It will default not be enabled.

New prototypes for humanizing & strumming in piano-roll

Adding methods for 
* Humanizing selected note-position & Note-velocity
* Strumming selected chords from Up & Down
* Moving selected notes with + & - in 1/192 steps