Update maven parent to 18 and update NOTICE

Author: CarstenHollmann

NOTICE

@@ -94,6 +94,7 @@ This project includes:
   Portele Schape Change schema (spec. v3.0) under The Apache Software License, Version 2.0
   Portele XML schemas under The Apache Software License, Version 2.0
   StAX API under The Apache Software License, Version 2.0
+  W3C SOAP specification recommondation (v1.1) under The Apache Software License, Version 2.0
   W3C SOAP specification recommondation (v1.2 part 1) under The Apache Software License, Version 2.0
   W3C WS-Addressing specification schemas (v1.0) under The Apache Software License, Version 2.0
   W3C xlink schema (spec. v1.1.0) under The Apache Software License, Version 2.0

pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.n52</groupId>
     <artifactId>parent</artifactId>
-    <version>14</version>
+    <version>18</version>
   </parent>
 
   <groupId>org.n52.sensorweb</groupId>