Create branch es-1.4 for elasticsearch 1.4.0

Author: dadoonet

README.md

@@ -14,7 +14,8 @@ You need to install a version matching your Elasticsearch version:
 | elasticsearch |  Python Lang Plugin   |   Docs     |  
 |---------------|-----------------------|------------|
 | master        |  Build from source    | See below  |
-| es-1.x        |  Build from source    | [2.4.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-lang-python/tree/es-1.x/#version-240-snapshot-for-elasticsearch-1x)  |
+| es-1.x        |  Build from source    | [2.5.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-lang-python/tree/es-1.x/#version-250-snapshot-for-elasticsearch-1x)  |
+| es-1.4        |  Build from source    | [2.4.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-lang-python/tree/es-1.4/#version-240-snapshot-for-elasticsearch-1x)  |
 | es-1.3        |  2.3.0                | [2.3.0](https://github.com/elasticsearch/elasticsearch-lang-python/tree/v2.3.0/#python-lang-plugin-for-elasticsearch)  |
 | es-1.2        |  2.2.0                | [2.2.0](https://github.com/elasticsearch/elasticsearch-lang-python/tree/v2.2.0/#python-lang-plugin-for-elasticsearch)  |
 | es-1.0        |  2.0.0                | [2.0.0](https://github.com/elasticsearch/elasticsearch-lang-python/tree/v2.0.0/#python-lang-plugin-for-elasticsearch)  |