osm-streets-dc removed for now.
Materialize docs in index.
Switch to storing and retrieving docs from keymap.
Update analyze command.
Dedupe scored docs at search time.
Minor optimizations to array usage.
Use push.apply rather than concat for coalescing.
Encode arrays of integers as strings for faster JSON.parse operation.
Merge branch 'dev' of github.com:mapbox/carmen into dev
Merge branch 'dev' into dev-nogyp