datastore: Use Query for Query test suite. fixes #126.
datastore: query: default to null namespace if not provided.
Merge pull request #132 from stephenplusplus/query-test

Query test
Fixing TOC pubsub link
datastore: docs: pagination example typo.
datastore: default ordering to ascending. fixes #134.
Merge pull request #135 from stephenplusplus/default-ascending

datastore: default ordering to ascending. fixes #134.
readme: add npm badge. fixes #128
docs: jsdoc + jsdoc2md + travis auto build to gh-pages.
docs: fast forward to latest master.