Create es-1.5 branch

Author: dadoonet

README.md

@@ -14,7 +14,8 @@ You need to install a version matching your Elasticsearch version:
 | elasticsearch |   JavaScript Plugin   |   Docs     |  
 |---------------|-----------------------|------------|
 | master        |  Build from source    | See below  |
-| es-1.x        |  Build from source    | [2.5.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-transport-thrift/tree/es-1.x/#version-250-snapshot-for-elasticsearch-1x)  |
+| es-1.x        |  Build from source    | [2.6.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-transport-thrift/tree/es-1.x/#version-260-snapshot-for-elasticsearch-1x)  |
+| es-1.5        |  Build from source    | [2.5.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-transport-thrift/tree/es-1.5/#version-250-snapshot-for-elasticsearch-15)  |
 |    es-1.4              |     2.4.1         | [2.4.1](https://github.com/elasticsearch/elasticsearch-lang-javascript/tree/v2.4.1/#version-241-for-elasticsearch-14)                  |
 |    es-1.3              |     2.3.1         | [2.3.1](https://github.com/elasticsearch/elasticsearch-lang-javascript/tree/v2.3.1/#version-231-for-elasticsearch-13)                  |
 | es-1.2        |  2.2.0                | [2.2.0](https://github.com/elasticsearch/elasticsearch-lang-javascript/tree/v2.2.0/#javascript-lang-plugin-for-elasticsearch)  |