trigger travis build

Author: oleg-andreyev

README.md

@@ -31,3 +31,4 @@ Dependencies
 |---------|---------|----------|
 |[Elasticsearch](https://github.com/elasticsearch/elasticsearch/tree/v2.3.2)|2.3.2|yes|
 |[Elasticsearch image plugin](https://github.com/Jmoati/elasticsearch-image/releases/tag/1.7.1)|1.7.1|no|
+