DARREN: removed extra writeToFile() call for rank 1+ scans that was adding bad point to end of data file.
Added scan timer handling code.  Switch to useFeedback to work around mono move issue that results in double measured points.
Remove picoammeter monitors.
Fixed string handling in onEdgeChanged() so that lineChoice is populated properly.
DARREN: variableTime() Geometric case fixed to rounding error on axis calculation causing crash.
Merge branch 'newXRFDetector' of github.com:acquaman/acquaman into newXRFDetector