Update pom.xml

Changed license tag in POM to Apache 2.0

Author: LorenzBuehmann

pom.xml

@@ -20,8 +20,8 @@
 
   <licenses>
     <license>
-      <name>GNU GENERAL PUBLIC LICENSE, Version 3</name>
-      <url>http://www.gnu.org/licenses/gpl-3.0.txt</url>
+      <name>Apache License 2.0</name>
+      <url>https://www.apache.org/licenses/LICENSE-2.0</url>
       <distribution>repo</distribution>
     </license>
   </licenses>
@@ -697,4 +697,4 @@
   </profiles>
 
 
-</project>
+</project>