release 0.15

Author: LukasMolzberger

pom.xml

@@ -5,7 +5,7 @@
     <groupId>org.aika-software</groupId>
     <artifactId>aika</artifactId>
     <packaging>jar</packaging>
-    <version>0.15-SNAPSHOT</version>
+    <version>0.15</version>
     <name>aika</name>
     <url>http://www.aika-software.org</url>
     <description>The Aika Text Mining Algorithm</description>