Update plugin.xml

Author: GillesC

plugin.xml

@@ -2,7 +2,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
     xmlns:android="http://schemas.android.com/apk/res/android"
     id="cordova-plugin-nativestorage"
-    version="2.2.0">
+    version="2.2.1">
     <name>NativeStorage</name>
     <description>Native storage of variables in Android and iOS</description>
     <license>Apache 2.0</license>