Removed the addStretch that was added to the scaler channel element view.
Merge branch 'newXRFDetector' of github.com:acquaman/acquaman into newXRFDetector
Merge branch 'newXRFDetector' of github.com:acquaman/acquaman into newXRFDetector
Fixed a rigid requirement that all data sources needed to be the same size inside of AM1DExpressionAB to one where only sources used in the expression are considered.