refactor seed and seed aray variable names
refactor seed and seed aray variable names

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