Link to binary-storing article from r.binary api
Move query language docs under language folders.
Add language tags to query language docs.
Add python and ruby nested-fields docs.
Merge pull request #492 from grandquista/grandquista/nested_fields_brackets

Create python and ruby nested fields documents for #491.
Revert "Create python and ruby nested fields documents for #491."
Merge pull request #493 from rethinkdb/revert-492-grandquista/nested_fields_brackets

Revert "Create python and ruby nested fields documents for #491."
Add python and ruby nested-fields docs.
Add @grandquista's nested-field docs; fixes #491
Fix lambdas; fixes #486
Add index file to publish-subscribe
Move python changefeeds doc.
Update changefeeds/python for switching.
Add javascript and ruby changefeeds docs.
Change to Ruby style
Merge branch 'grandquista-grandquista/changefeeds_JavaScript_Ruby'
Document uuid command; fixes #463
Rebase to master