sksamuel/elastic4s — pull request #195 by stringbean (2014-08-26 13:52:26+00:00)
Title: Add operator keyword to multi-match queries

Brings `MultiMatchQueryDefinition` in line with `MatchQueryDefinition` and the ES API:

Example:
```scala
client.execute {
search in "index/type" query {
multiMatchQuery("query") fields ("a", "b") operator Operator.AND
}
}
```