Stubs next version
Fix documentation typos, endpoints and replace all /tiles with /api/v1/map
Allow a different cache-control max-age for layergroup responses
Merge pull request #226 from CartoDB/layergroup-ttl

Allow a different cache-control max-age for layergroup responses
Release 1.21.0
Merge tag '1.21.0' into cdb

2014-10-24

New features:
 - Allow a different cache-control max-age for layergroup responses