Prepare release 1.3.0

Author: purejava

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.purejava</groupId>
     <artifactId>appindicator-gtk3-java</artifactId>
-    <version>1.2.1-SNAPSHOT</version>
+    <version>1.3.0</version>
 
     <name>appindicator-gtk3-java</name>
     <description>Java bindings for libappindicator-gtk3 in 100% pure Java</description>