Add special-case nodal neighbor finding routines for 1D elements.
Add special-case nodal neighbor finding routines for 1D elements.

libMesh/libmesh,roystgnr/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,jiangwen84/libmesh,dknez/libmesh,pbauman/libmesh,svallaghe/libmesh,jiangwen84/libmesh,svallaghe/libmesh,dmcdougall/libmesh,libMesh/libmesh,balborian/libmesh,BalticPinguin/libmesh,dknez/libmesh,pbauman/libmesh,dmcdougall/libmesh,dknez/libmesh,friedmud/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,aeslaughter/libmesh,hrittich/libmesh,jwpeterson/libmesh,dknez/libmesh,karpeev/libmesh,coreymbryant/libmesh,svallaghe/libmesh,benkirk/libmesh,balborian/libmesh,dmcdougall/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,90jrong/libmesh,coreymbryant/libmesh,BalticPinguin/libmesh,libMesh/libmesh,jwpeterson/libmesh,pbauman/libmesh,pbauman/libmesh,vikramvgarg/libmesh,dknez/libmesh,dschwen/libmesh,libMesh/libmesh,dschwen/libmesh,90jrong/libmesh,giorgiobornia/libmesh,aeslaughter/libmesh,friedmud/libmesh,cahaynes/libmesh,benkirk/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,90jrong/libmesh,pbauman/libmesh,balborian/libmesh,benkirk/libmesh,balborian/libmesh,vikramvgarg/libmesh,90jrong/libmesh,vikramvgarg/libmesh,capitalaslash/libmesh,roystgnr/libmesh,dmcdougall/libmesh,balborian/libmesh,jwpeterson/libmesh,hrittich/libmesh,jwpeterson/libmesh,cahaynes/libmesh,hrittich/libmesh,friedmud/libmesh,karpeev/libmesh,karpeev/libmesh,hrittich/libmesh,aeslaughter/libmesh,benkirk/libmesh,dschwen/libmesh,capitalaslash/libmesh,karpeev/libmesh,cahaynes/libmesh,friedmud/libmesh,jwpeterson/libmesh,90jrong/libmesh,90jrong/libmesh,jiangwen84/libmesh,libMesh/libmesh,capitalaslash/libmesh,aeslaughter/libmesh,90jrong/libmesh,libMesh/libmesh,capitalaslash/libmesh,libMesh/libmesh,dschwen/libmesh,permcody/libmesh,permcody/libmesh,benkirk/libmesh,roystgnr/libmesh,permcody/libmesh,dschwen/libmesh,svallaghe/libmesh,90jrong/libmesh,friedmud/libmesh,giorgiobornia/libmesh,hrittich/libmesh,dmcdougall/libmesh,dmcdougall/libmesh,benkirk/libmesh,svallaghe/libmesh,hrittich/libmesh,friedmud/libmesh,roystgnr/libmesh,permcody/libmesh,svallaghe/libmesh,dknez/libmesh,cahaynes/libmesh,giorgiobornia/libmesh,vikramvgarg/libmesh,aeslaughter/libmesh,capitalaslash/libmesh,dmcdougall/libmesh,aeslaughter/libmesh,coreymbryant/libmesh,roystgnr/libmesh,capitalaslash/libmesh,svallaghe/libmesh,pbauman/libmesh,karpeev/libmesh,dschwen/libmesh,karpeev/libmesh,jwpeterson/libmesh,dknez/libmesh,90jrong/libmesh,aeslaughter/libmesh,friedmud/libmesh,hrittich/libmesh,friedmud/libmesh,cahaynes/libmesh,cahaynes/libmesh,friedmud/libmesh,dmcdougall/libmesh,permcody/libmesh,pbauman/libmesh,jiangwen84/libmesh,vikramvgarg/libmesh,aeslaughter/libmesh,BalticPinguin/libmesh,aeslaughter/libmesh,giorgiobornia/libmesh,cahaynes/libmesh,hrittich/libmesh,vikramvgarg/libmesh,pbauman/libmesh,libMesh/libmesh,permcody/libmesh,roystgnr/libmesh,jiangwen84/libmesh,balborian/libmesh,benkirk/libmesh,vikramvgarg/libmesh,giorgiobornia/libmesh,coreymbryant/libmesh,benkirk/libmesh,benkirk/libmesh,dschwen/libmesh,giorgiobornia/libmesh,capitalaslash/libmesh,balborian/libmesh,coreymbryant/libmesh,coreymbryant/libmesh,vikramvgarg/libmesh,coreymbryant/libmesh,jiangwen84/libmesh,roystgnr/libmesh,jiangwen84/libmesh,svallaghe/libmesh,balborian/libmesh,hrittich/libmesh,dschwen/libmesh,pbauman/libmesh,jiangwen84/libmesh,permcody/libmesh,dknez/libmesh,permcody/libmesh,coreymbryant/libmesh,vikramvgarg/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,cahaynes/libmesh,balborian/libmesh,svallaghe/libmesh,karpeev/libmesh,balborian/libmesh,karpeev/libmesh,BalticPinguin/libmesh