allow url arguments to specify the date range in orgs charts; use history.js to maintain url state when reloading graphs with ajax
use datespan decorator; fix bug
Merge pull request #510 from dimagi/charts-url

allow url arguments to specify the date range in orgs charts; use histor...
Install CouchDB 1.3 from PPA during travis build
Merge pull request #513 from kennknowles/travis-couchdb-1.3

Install CouchDB 1.3 from PPA during travis build
update vellum
Merge branch 'master' into commtrack-maps