Adjust some person/leg defaults
Use leg.getDiameterInMeters(), enabled collision detection
Track mouse velocity
Added Tracker.normalizeDistance()
Change Dot to display individual legs
Refactor some class naming

Position->Person
Positions->People
origin->position
Access person.position,person.velocity using setters/getters

So that we can separated normalized from raw positions
Removed unused imports
Reorganize people/person.move
Added Person.isMoving()
Switch to absolution positions in some places
Changed person/leg to use absolute position internally
Removed unused variables from Person
Added position to Leg ctor
Made mapPosition include normalization.
Refactored mouse handling
Fixed normalizeDistance(), add mapVelocity()
Adjust mapping to ableton macros
Added endallnotes()
Added setting of leg position, velocity from /pf/leg messages