Remove iterator boilerplate in RBEIMTheta.
Remove iterator boilerplate in RBEIMTheta.

jwpeterson/libmesh,90jrong/libmesh,90jrong/libmesh,jwpeterson/libmesh,dschwen/libmesh,libMesh/libmesh,dschwen/libmesh,libMesh/libmesh,libMesh/libmesh,hrittich/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,dschwen/libmesh,jwpeterson/libmesh,hrittich/libmesh,capitalaslash/libmesh,hrittich/libmesh,BalticPinguin/libmesh,hrittich/libmesh,pbauman/libmesh,90jrong/libmesh,90jrong/libmesh,hrittich/libmesh,hrittich/libmesh,roystgnr/libmesh,dschwen/libmesh,roystgnr/libmesh,pbauman/libmesh,capitalaslash/libmesh,90jrong/libmesh,BalticPinguin/libmesh,dschwen/libmesh,jwpeterson/libmesh,libMesh/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,libMesh/libmesh,capitalaslash/libmesh,roystgnr/libmesh,capitalaslash/libmesh,dschwen/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,dschwen/libmesh,roystgnr/libmesh,hrittich/libmesh,pbauman/libmesh,libMesh/libmesh,pbauman/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,90jrong/libmesh,pbauman/libmesh,BalticPinguin/libmesh,90jrong/libmesh,90jrong/libmesh,pbauman/libmesh,libMesh/libmesh,hrittich/libmesh,roystgnr/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,libMesh/libmesh,pbauman/libmesh,hrittich/libmesh,dschwen/libmesh,pbauman/libmesh,capitalaslash/libmesh,pbauman/libmesh,90jrong/libmesh,jwpeterson/libmesh