H5pyd

Changes since the v0.2.9 release:

- added owner parameter for creating domains and folders
- show home folder (if it exists) in output of hsinfo

Changes since the v0.2.8 release:

* fix for numpy deprecation warning - use frombuffer not fromstring
* support broadcast for dset
* fix for external links with relative paths
* fix for creating dataset with initial data
* fix for create_dataset with `**kwds` args
* return dset.chunks as tuple not list (for h5py compatibility)
* several fixes that improve dimension scale functionality and h5py compatibility

Improved support for array types, other fixes.

This release contains the following updates:
* Support for the h5py dimension scale api
* Enhancements to the hsload tool to handle files containing object references
* Various bug fixes