Use "" instead of -1 to represent unknowns

[RickCarlino]

What's New?

• One last tweak to <AxisInputBox/> before diving into the big FBJS 4.2.0 upgrade.

[codecov]

Codecov Report

Merging #360 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #360   +/-   ##
=======================================
  Coverage   95.85%   95.85%           
=======================================
  Files         125      125           
  Lines        1880     1880           
=======================================
  Hits         1802     1802           
  Misses         78       78

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[coveralls]

Coverage remained the same at 21.14% when pulling aa29238 on RickCarlino:master into 9d18b53 on FarmBot:master.