[FIXED JENKINS-18537]

Integrated the new version of XStream that contains the fix.

(cherry picked from commit 585eb87c)

Conflicts:
	changelog.html

core/pom.xml

@@ -219,7 +219,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.jvnet.hudson</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.4.4-jenkins-5</version>
+      <version>1.4.7-jenkins-1</version>
     </dependency>
     <dependency>
       <groupId>jfree</groupId>