Add <modifiable> directive
Make all numbers modifiable
Actually use the constant wheel speed
Make code look good
Add style to modifiable numbers
[merge] Add and use modifiable text directives

Merge branch 'f/modifiable-text-directive' (early part) into develop
Round incoming wheel positions to one decimal
Keep robo input enabled
Reorder activeRobotDisplay and get rid of status
Display multiple connected robots
Track and display multiple speeds
Display multiple movement commands for multiple robots

Use moveToNB and moveWait when multiple robots
Clear poses if a robot is added
Implement run for multiple robots
Update to linkbotjs that allows many blessed fws
[merge] Enable multiple robots