reset dominance ratio to 0 in JFNK solver due to initial power iteration
reset dominance ratio to 0 in JFNK solver due to initial power iteration

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