ENH: collect a version of HDF5 used by h5py
Merge branch 'master' of https://github.com/swaroopgj/PyMVPA

* 'master' of https://github.com/swaroopgj/PyMVPA:
  BF: Modified the test to handle zero-sized arrays
  BF: h5load(ing) an empty array from h5save(d) file results in ZeroDivisionError.
  Added a test case to test_hdf5 that fails to load an empty array object
  BF: h5save to deal with '' as currentdir
BF: Skip test storing empty arrays on systems with old HDF5
Merge branch 'master' of https://github.com/PyMVPA/PyMVPA
ENH: check for hdf5 version in unit test so that only recent versions will check for empty arrays in voxel selection results