M142 extended agentctrl script so it can initiate reach back.
OOIION-1770: Adds calibration setting through agent cntrl
Redo Bill's fix
Merge pull request #1887 from mmeisinger/add1770_calib_r2

OOIION-1770: Adds calibration setting through agent cntrl
Fixes broken test in R2 using vel3d functions
Updates coverage-model submodule to include error handling.