Merge pull request #678 from hazendaz/master

[pom] Use non deprecated systemPropertyVariables from surefire

Author: hazendaz

pom.xml

@@ -376,12 +376,12 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
         <configuration>
-          <systemProperties>
+          <systemPropertyVariables>
             <property>
               <name>derby.stream.error.file</name>
               <value>${project.build.directory}/derby.log</value>
             </property>
-          </systemProperties>
+          </systemPropertyVariables>
         </configuration>
       </plugin>
     </plugins>