Removing mesh dimension restriction from PenetrationLocator (closes #3099)

When having a higher dimensional mesh and using lower-dimensional
elements, PenetrationLocator cannot deal with it, since it assumes that
all elements have dimension equal to the mesh dimension.
Used new default coupling in GBEvolution.C
Used new default coupling in GBEvolution.C #3093
Limit around_normals test to serial mesh (#3078)
Fixing a slight namespace issue after a namespace issue was fixed in libmesh.

Refs #000.
Merge pull request #3103 from tonkmr/feature_3093

Feature
Merge pull request #3104 from aeslaughter/sidesets-parmesh

Limit around_normals test to serial mesh
Merge pull request #3100 from andrsd/3099

Removing mesh dimension restriction from PenetrationLocator (closes #309...
Merge pull request #3106 from jwpeterson/fix_namespace

Fixing a slight namespace issue after a namespace issue was fixed in lib...