Merge pull request #273 from gonuke/rearrange_dirs

Relax required version for now since standard MOAB doesn't have a versio...
Initial cmake build for DAGMC tally
Updating kd-tree calls depending on moab version
Merge pull request #275 from gonuke/rearrange_dirs

Moved mcnp5 code up one level & added common functions
flattened source directory
Merge pull request #276 from makeclean/geant4_ready

Geant4 ready
Merge pull request #274 from kldunn/rearrange_dirs

Adds basic tally library cmake files
flattened source tree
Merge pull request #277 from makeclean/geant4_ready

flattened source tree
Move MAKE include to here
Fix variable reference to HOME
Add missing common functions