Avoid calling n_vertices virtual a bunch of times
Avoid calling n_vertices virtual a bunch of times

In basic elem calculations like hmin and hmax these calls
can actually become a substantial portion of run-time

dschwen/libmesh,libMesh/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,libMesh/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,roystgnr/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,dschwen/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,dschwen/libmesh,libMesh/libmesh,jwpeterson/libmesh,libMesh/libmesh,dschwen/libmesh,jwpeterson/libmesh,roystgnr/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,dschwen/libmesh,capitalaslash/libmesh,dschwen/libmesh,dschwen/libmesh,libMesh/libmesh,libMesh/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,roystgnr/libmesh,libMesh/libmesh,jwpeterson/libmesh,roystgnr/libmesh,dschwen/libmesh,libMesh/libmesh