test
Added function to transform ping value sent to test harness (0 = no echo; 1 - 91 = echo distance)
Changed scaling in test harness display.
Added fixed colour animation.
Added separate file with draft code for bin routine
Nil.
Nil.
Merge branch 'feature-add-scaling' into develop
Updated sensor code with new LED blink.
Changed hub - sensor initial contact and polling approach.  Defined constant for polling character.
Tidying up code.
Starting work on another test animation.
Adding a fragment for new animation design.
Merge branch 'develop'