Unit test for split_by_type()
Unit test for split_by_type()

A lousy test, I'm afraid, but I don't see much I can reliably assert
for communicator splits.

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