CompareElemIdsByLevel deserves a header
CompareElemIdsByLevel deserves a header

We can use this in other places too

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