Add hash-of-vector implementation for 16-bit data
Add hash-of-vector implementation for 16-bit data

This fixes a compilation failure with small dof_id_type

jwpeterson/libmesh,aeslaughter/libmesh,coreymbryant/libmesh,libMesh/libmesh,aeslaughter/libmesh,90jrong/libmesh,giorgiobornia/libmesh,vikramvgarg/libmesh,vikramvgarg/libmesh,capitalaslash/libmesh,aeslaughter/libmesh,dschwen/libmesh,aeslaughter/libmesh,aeslaughter/libmesh,hrittich/libmesh,hrittich/libmesh,svallaghe/libmesh,coreymbryant/libmesh,roystgnr/libmesh,balborian/libmesh,giorgiobornia/libmesh,vikramvgarg/libmesh,90jrong/libmesh,hrittich/libmesh,svallaghe/libmesh,balborian/libmesh,svallaghe/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,vikramvgarg/libmesh,svallaghe/libmesh,balborian/libmesh,coreymbryant/libmesh,libMesh/libmesh,pbauman/libmesh,roystgnr/libmesh,coreymbryant/libmesh,dschwen/libmesh,giorgiobornia/libmesh,hrittich/libmesh,pbauman/libmesh,balborian/libmesh,benkirk/libmesh,hrittich/libmesh,coreymbryant/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,friedmud/libmesh,friedmud/libmesh,benkirk/libmesh,90jrong/libmesh,pbauman/libmesh,coreymbryant/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,pbauman/libmesh,jwpeterson/libmesh,friedmud/libmesh,benkirk/libmesh,benkirk/libmesh,benkirk/libmesh,coreymbryant/libmesh,libMesh/libmesh,pbauman/libmesh,giorgiobornia/libmesh,jwpeterson/libmesh,90jrong/libmesh,benkirk/libmesh,90jrong/libmesh,90jrong/libmesh,svallaghe/libmesh,hrittich/libmesh,pbauman/libmesh,capitalaslash/libmesh,dschwen/libmesh,balborian/libmesh,libMesh/libmesh,dschwen/libmesh,vikramvgarg/libmesh,jwpeterson/libmesh,aeslaughter/libmesh,balborian/libmesh,roystgnr/libmesh,libMesh/libmesh,coreymbryant/libmesh,balborian/libmesh,roystgnr/libmesh,pbauman/libmesh,capitalaslash/libmesh,aeslaughter/libmesh,balborian/libmesh,BalticPinguin/libmesh,svallaghe/libmesh,capitalaslash/libmesh,90jrong/libmesh,hrittich/libmesh,svallaghe/libmesh,friedmud/libmesh,BalticPinguin/libmesh,benkirk/libmesh,hrittich/libmesh,dschwen/libmesh,jwpeterson/libmesh,vikramvgarg/libmesh,benkirk/libmesh,giorgiobornia/libmesh,dschwen/libmesh,jwpeterson/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,benkirk/libmesh,friedmud/libmesh,balborian/libmesh,hrittich/libmesh,vikramvgarg/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,friedmud/libmesh,libMesh/libmesh,aeslaughter/libmesh,capitalaslash/libmesh,friedmud/libmesh,libMesh/libmesh,friedmud/libmesh,BalticPinguin/libmesh,libMesh/libmesh,pbauman/libmesh,balborian/libmesh,90jrong/libmesh,friedmud/libmesh,BalticPinguin/libmesh,aeslaughter/libmesh,vikramvgarg/libmesh,BalticPinguin/libmesh,90jrong/libmesh,dschwen/libmesh,vikramvgarg/libmesh,giorgiobornia/libmesh,svallaghe/libmesh,svallaghe/libmesh,roystgnr/libmesh,pbauman/libmesh,giorgiobornia/libmesh,dschwen/libmesh,roystgnr/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh