Updated OAI code for finding admin email.
Updated OAI code for finding admin email.

refs #5023

kyfr59/atom-cg35,artefactual/binder,Surfrdan/atom,artefactual/atom,kyfr59/atom-cg35,CENDARI/atom,Surfrdan/atom,artefactual/binder,CENDARI/atom,artefactual/binder,Surfrdan/atom,CENDARI/atom,artefactual/atom,artefactual/binder,artefactual/atom,kyfr59/atom-cg35