Use existing time conversion in utils.py
Changed photon source to hdf5 function to include volume index
Finished photon source h5 to mesh function, needs testing.
Tests pass for photon_source_h5_to_mesh
Made tests more interesting, some cleanup.
Merge pull request #238 from erelson/staging

Unstructured mesh element volume calculation methods
Updated numpy version requirement.
First round of changes per Anthony's suggestsions.
Changed photon_source_hdf5_to_mesh to accomodate all nuclide forms supported by PyNE.
Dagmc guards
Merge branch 'staging' of github.com:kmanalo/pyne into staging
PyTaps guards for alara test
PEP8 fixups and import warnings add
Shifting find_package call to top-level
PEP8 and other minor changes.
Added CMake file for finding MOAB.
Eliminiated if-construct in favor of introducing new variable in alara tests.
Merge branch 'alara' of github.com:elliottbiondo/pyne into staging
Merge branch 'staging' of github.com:pyne/pyne into staging
Merge pull request #1 from scopatz/kmanalo-staging

Added CMake file for finding MOAB.