Refs #7255. Revamping layout for DimensionWidget.
Refs #7255. Tweaking ThresholdRangeWidget layout.
Refs #7255. Tweaking DimensionWidget min/max lineedits.
Refs #7255. Get BinWidget to stop jumping on checking Integrate.
Refs #7255. Putting back layout for ThresholdRangeWidget title.
Refs #7255. Tweaking size on dimension combobox.
Merge remote-tracking branch 'origin/feature/7255_rebincutter_widgets'