adding a couple filters before pulling code.  the find average scalar value for feature filter is only partially done and SHOULD NOT BE USED.
Merge branch 'attributeMatrix' of https://github.com/dream3d/DREAM3D into attributeMatrix
updating all of the segmentation and grouping filters to better generate random numbers
Merge branch 'attributeMatrix' of https://github.com/dream3d/DREAM3D into attributeMatrix
updating filters that use the data array path widget
Merge branch 'attributeMatrix' of https://github.com/dream3d/DREAM3D into attributeMatrix