add rudimentary dynd backend
add dynd to front imports
start h5py compute layer
Merge branch 'master' into dynd
Merge branch 'master' into h5py-compute
rename test_dynd to test_dynd_compute
into: sql <- csv appends by default
Merge pull request #736 from mrocklin/sql-append

into: sql <- csv appends by default
Merge branch 'master' into dynd
Merge pull request #726 from mrocklin/dynd

Dynd
Merge pull request #729 from mrocklin/h5py-compute

H5py compute
Merge branch 'master' of github.com:ContinuumIO/blaze into drop-create-index-uri

Conflicts:
	blaze/__init__.py