upgrade surefire to 2.7.2 and add a timeout for execution to prevent hang

pom.xml

@@ -113,10 +113,11 @@ THE SOFTWARE.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.7.1</version>
+          <version>2.7.2</version>
           <configuration>
             <systemPropertyVariables>
               <java.io.tmpdir>${project.build.directory}</java.io.tmpdir>
+              <forkedProcessTimeoutInSeconds>3600</forkedProcessTimeoutInSeconds>
             </systemPropertyVariables>
           </configuration>
         </plugin>