re-enable hp5y tests on py3
add into from/to .h5 file support
Style and speedup tests
Make sure we work with a None dshape
add *~ to .gitignore
Merge branch 'jreback-hdfstore' of https://github.com/cpcloud/into into cpcloud-jreback-hdfstore

Conflicts:
	into/backends/tests/test_hdfstore.py
	into/tests/test_resource_fallback.py
fix up merge conflicts with cpcloud fixes
add addl append dispatchers to hdfstore
make sure that we are closing all resources (need cleanup!)