ENH: Updated all filters to new pipeline. Updated composite filters to use DATA_OBJECT() instead of COMPOSITE_DATA_SET(). Removed part filters, multi-block datasets should be used now. Fixed a few minor bugs
ENH: Updated all filters to new pipeline. Updated composite filters to use DATA_OBJECT() instead of COMPOSITE_DATA_SET(). Removed part filters, multi-block datasets should be used now. Fixed a few minor bugs

cjh1/Xdmf2,cjh1/Xdmf2,cjh1/Xdmf2