prepare for next development iteration

Author: dadoonet

README.md

@@ -13,10 +13,12 @@ In order to install the plugin, simply run: `bin/plugin -install elasticsearch/e
 
 |     Azure Cloud Plugin      |    elasticsearch    | Release date |
 |-----------------------------|---------------------|:------------:|
+| 2.3.1-SNAPSHOT              | 1.2.0 -> 1.2        |  XXXX-XX-XX  |
 | 2.3.0                       | 1.2.0 -> 1.2        |  2014-06-19  |
 
 Please read documentation relative to the version you are using:
 
+* [2.3.1-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-cloud-azure/blob/es-1.2/README.md)
 * [2.3.0](https://github.com/elasticsearch/elasticsearch-cloud-azure/blob/v2.3.0/README.md)
 
 

pom.xml

@@ -16,7 +16,7 @@ governing permissions and limitations under the License. -->
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.elasticsearch</groupId>
     <artifactId>elasticsearch-cloud-azure</artifactId>
-    <version>2.3.0</version>
+    <version>2.3.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>Elasticsearch Azure cloud plugin</name>
     <description>The Azure Cloud plugin allows to use Azure API for the unicast discovery mechanism and add Azure storage repositories.</description>