Condensing groups in dagmc.h5m file.
Condensing groups in dagmc.h5m file.

paulromano/openmc,paulromano/openmc,wbinventor/openmc,smharper/openmc,shikhar413/openmc,mit-crpg/openmc,paulromano/openmc,walshjon/openmc,smharper/openmc,amandalund/openmc,liangjg/openmc,shikhar413/openmc,liangjg/openmc,amandalund/openmc,walshjon/openmc,walshjon/openmc,mit-crpg/openmc,wbinventor/openmc,shikhar413/openmc,amandalund/openmc,wbinventor/openmc,amandalund/openmc,smharper/openmc,smharper/openmc,paulromano/openmc,walshjon/openmc,mit-crpg/openmc,shikhar413/openmc,liangjg/openmc,wbinventor/openmc,mit-crpg/openmc,liangjg/openmc