conda: test with python -c, not pytest
data: discover on h5py groups and files
h5py: Field access on h5py groups and files
expr: normalize identifiers to use underscores

Rather than spaces
Merge branch 'tab-complete-on-fields-with-spaces' into h5py-groups
expr: apply valid_identifier only to fields, not all attributes
h5py: hacky compute_down on h5py files/groups
partition: keepdims on slices1d
h5py: robust to chunksizes with singleton dimensions
expr: simplify valid_identifier use
Merge pull request #818 from mrocklin/h5py-groups

Improve discovery and navigation of h5py files
Merge branch 'master' of github.com:ContinuumIO/blaze
add run requirements to build requirements

as per suggestion by @asmeurer
Merge pull request #819 from mrocklin/tab-complete-on-fields-with-spaces

expr: normalize identifiers to use underscores
Add into for datetime scalars
use double quotes in conda recipe for windows
bcolz: use python streaming in cheap head case
bcolz: respects keepdims
numpy: count respects keepdims
numpy: nunique keepdims