Use rangefor in flag_elements_by_elem_fraction().
Use rangefor in flag_elements_by_elem_fraction().

Note: it looks like this was a bug previously. A local active element
end iterator was being paired with a non-local one.

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