Merge pull request #17 from BBB/patch-1

Change gitter to slack

Author: jmdobry

README.md

@@ -35,7 +35,7 @@ store.registerAdapter('rethinkdb', adapter, { default: true });
 [CHANGELOG.md](https://github.com/js-data/js-data-rethinkdb/blob/master/CHANGELOG.md)
 
 ### Community
-- [Gitter Channel](https://gitter.im/js-data/js-data) - Better than IRC!
+- [Slack Channel](http://slack.js-data.io/) - Better than IRC!
 - [Announcements](http://www.js-data.io/blog)
 - [Mailing List](https://groups.io/org/groupsio/jsdata) - Ask your questions!
 - [Issues](https://github.com/js-data/js-data-rethinkdb/issues) - Found a bug? Feature request? Submit an issue!