FriendsOfSymfony/FOSElasticaBundle — pull request #370 by diegomarangoni (2013-09-17 17:33:48+00:00)
Title: Added support for option "format" on "date" mapping type

Added posibility to specify the date format:

```yaml
mappings:
username: ~
profile:
type: nested
properties:
name: { boost: 2.0 }
gender: ~
birthday: { type: date, format: "yyyy-MM-dd" }
```

http://www.elasticsearch.org/guide/reference/mapping/date-format/