updating the euclidean distance map filter and abstracting the group features filters to use a parent-child structure
more work on abstracting the grouping filters
Merge branch 'attributeMatrix' of ssh://github.com/dream3d/DREAM3D into attributeMatrix
more work on abstracting the grouping filters
Merge branch 'attributeMatrix' of ssh://github.com/dream3d/DREAM3D into attributeMatrix