Fix broken build for mac app bundle - needed from JDK10

Author: marcoandries

pom.xml

@@ -309,6 +309,18 @@
             <groupId>sh.tak.appbundler</groupId>
             <artifactId>appbundle-maven-plugin</artifactId>
             <version>1.2.0</version>
+            <dependencies>
+              <dependency>
+                <groupId>org.codehaus.plexus</groupId>
+                <artifactId>plexus-archiver</artifactId>
+                <version>RELEASE</version>
+              </dependency>
+              <dependency>
+                <groupId>org.apache.velocity</groupId>
+                <artifactId>velocity-tools</artifactId>
+                <version>2.0</version>
+              </dependency>
+            </dependencies>
             <executions>
               <execution>
                 <phase>package</phase>