added hdf5 reporter
remove code repitition with mdtraj.topology
with the new reporter, bump the version to 0.1. This makes it easier to check the requirements in other projects that use this code
address code review issues from @kyleabeauchamp
removed unused imports
try to fix the travis build. i don't want it to run the reporter since it doens't have openmm
Merge pull request #12 from rmcgibbo/hdf5reporter

HDF5 Reporter