update for Elasticsearch 2.2.1

Author: jprante

README.md

@@ -27,6 +27,7 @@ When importing archive files again, this information is reapplied.
 
 | Elasticsearch  |   Plugin       | Release date |
 | -------------- | -------------- | ------------ |
+| 2.2.1          | 2.2.1.0        | Mar 31, 2016 |
 | 2.1.2          | 2.1.2.0        | Mar 23, 2016 |
 | 2.2.0          | 2.2.0.0        | Feb 23, 2016 |
 | 2.1.1          | 2.1.1.0        | Dec 30, 2015 |

build.gradle

@@ -1,6 +1,3 @@
-group = 'org.xbib.elasticsearch.plugin'
-version = '2.2.1.0'
-
 buildscript {
     repositories {
         mavenCentral()
@@ -17,6 +14,9 @@ plugins {
     id 'org.ajoberstar.grgit' version '1.4.2'
 }
 
+group = 'org.xbib.elasticsearch.plugin'
+version = '2.2.1.0'
+
 apply plugin: 'java'
 apply plugin: 'maven'
 apply plugin: 'signing'