fix formatting of: for, if, while, switch closes #3136 refs #3137
Merge pull request #3138 from friedmud/for_loop_3136

fix for loop formatting
SideSetsAroundSubdomain runs with ParallelMesh.

The algorithm doesn't use flood().

Refs #2129.
Merge pull request #3139 from jwpeterson/sidesets_around_subdomain

SideSetsAroundSubdomain should work with ParallelMesh