h5py version 2.7.0

 - Dropped support for python 3.2.
 - Added support for `pathlib`.
 - Improved auto-complete in IPython/jupyter for py3k.
 - Added low-level support for Direct Chunk Write and
   File Image Operations.
 - Support for reading non-standard float types.
 - Improved support for compound data types.
 - Improved support for ppc.
 - Many bug fixes.