Fix version in plugin.xml

Author: timflapper

plugin.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android" id="com.timflapper.spotify" version="0.1">
+<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android" id="com.timflapper.spotify" version="0.1.0">
   <name>Spotify Cordova Plugin</name>
   <description>This plugin provides a JavaScript API for Spotify's iOS SDK.</description>
   <author>Tim Flapper</author>