Updated OpenCSG compatibility module to use 3D lattices
Updated OpenCSG compatibility module to use 3D lattices

smharper/openmc,wbinventor/openmc,amandalund/openmc,samuelshaner/openmc,liangjg/openmc,liangjg/openmc,paulromano/openmc,johnnyliu27/openmc,samuelshaner/openmc,amandalund/openmc,wbinventor/openmc,mit-crpg/openmc,paulromano/openmc,smharper/openmc,liangjg/openmc,mit-crpg/openmc,smharper/openmc,lilulu/openmc,mjlong/openmc,johnnyliu27/openmc,shikhar413/openmc,bhermanmit/openmc,bhermanmit/openmc,walshjon/openmc,amandalund/openmc,shikhar413/openmc,wbinventor/openmc,amandalund/openmc,samuelshaner/openmc,johnnyliu27/openmc,lilulu/openmc,paulromano/openmc,kellyrowland/openmc,shikhar413/openmc,shikhar413/openmc,mit-crpg/openmc,lilulu/openmc,samuelshaner/openmc,smharper/openmc,mjlong/openmc,paulromano/openmc,mit-crpg/openmc,wbinventor/openmc,walshjon/openmc,liangjg/openmc,kellyrowland/openmc,walshjon/openmc,walshjon/openmc,johnnyliu27/openmc