rename compute_one to compute_up

Conflicts:
	blaze/compute/bcolz.py
	blaze/compute/mongo.py
	blaze/compute/pandas.py
	blaze/compute/python.py
	blaze/compute/sql.py
	blaze/compute/tests/test_mongo_compute.py
	blaze/compute/tests/test_python_compute.py
	blaze/compute/tests/test_spark.py
a few more compute_one functions were hiding out
Merge branch 'master' into compute-up

Conflicts:
	blaze/compute/sql.py
docs: replace compute_one with compute_up
Merge pull request #632 from mrocklin/compute-up

rename compute_one to compute_up
Add testing for pytables light dd
Implement pytables ligth
Implement np.ndarray <- tables.Table for time64col
Flesh out testing
Return if there are no time64 fields
Test from ndarray to pytables
Sort types function
First pass
Move to data
New test_pytables for data
Infer using individual columns
Move data related tests to blaze/data/tests/test_pytables.py
Debugging
Remove unused imports
sort_dtype_items is more useful than forcing a dtype