Make Utility::hashword compatible with std::array
Make Utility::hashword compatible with std::array

This lets us strip out a couple lines of redundant std::vector input
code while we're at it.

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