Make sure that every interior neighbor is actually in the same Mesh.
Make sure that every interior neighbor is actually in the same Mesh.

Error out if any valid interior neighbors are not found in the
global_index_map, don't just assert in dbg mode and keep running with
possibly wrong connectivity in opt mode.

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