moose_test passes in parallel refs #2943 #2941
removing comm world from modules refs #2943 #2941
fix issue with deleting comm before finalizing output refs #2943 #2941
Add MooseMesh::minPeriodicVector (closes #2990)
Merge pull request #2991 from dschwen/feature_2990

Add MooseMesh::minPeriodicVector (closes #2990)
fix dmmoose and remove comm world enabling from libmesh build script refs #2943 #2941
Merge pull request #2976 from friedmud/no_comm_world

No comm world
More operator spacing for #2951
notes
Calculate gradient normal direction wrt PBCs.