added routine to setup user-defined tallies in active tally lists (by estimator)
added routine to setup user-defined tallies in active tally lists (by estimator)

paulromano/openmc,sxds/opemmc,walshjon/openmc,liangjg/openmc,mjlong/openmc,amandalund/openmc,bhermanmit/cdash,shikhar413/openmc,walshjon/openmc,wbinventor/openmc,sxds/opemmc,paulromano/openmc,smharper/openmc,amandalund/openmc,samuelshaner/openmc,johnnyliu27/openmc,smharper/openmc,walshjon/openmc,paulromano/openmc,wbinventor/openmc,mjlong/openmc,johnnyliu27/openmc,nhorelik/openmc,kellyrowland/openmc,wbinventor/openmc,lilulu/openmc,bhermanmit/openmc,smharper/openmc,paulromano/openmc,lilulu/openmc,kellyrowland/openmc,walshjon/openmc,mit-crpg/openmc,johnnyliu27/openmc,nhorelik/openmc,mit-crpg/openmc,amandalund/openmc,shenqicang/openmc,johnnyliu27/openmc,keadyk/openmc_mg_prepush,mit-crpg/openmc,smharper/openmc,mit-crpg/openmc,liangjg/openmc,samuelshaner/openmc,keadyk/openmc_mg_prepush,keadyk/openmc_mg_prepush,amandalund/openmc,bhermanmit/openmc,shenqicang/openmc,liangjg/openmc,lilulu/openmc,samuelshaner/openmc,shikhar413/openmc,shikhar413/openmc,liangjg/openmc,wbinventor/openmc,samuelshaner/openmc,shikhar413/openmc