Address level 4-6 security issues

Remove commons-compress and chage version of dom4j

Also fix checkstyle in affected modules

Issue-ID: POLICY-1065
Change-Id: Id37e54a54997656674af37dfd924aec5f69e410a
Signed-off-by: liamfallon <liam.fallon@ericsson.com>
diff --git a/pom.xml b/pom.xml
index 4ab4de4..4788887 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,8 +44,7 @@
         <version.kafka>1.1.1</version.kafka>
         <version.jersey>2.26</version.jersey>
         <version.eclipselink>2.6.5</version.eclipselink>
-        <version.hibernate>5.3.1.Final</version.hibernate>
-        <version.dom4j>1.6</version.dom4j>
+        <version.hibernate>5.3.6.Final</version.hibernate>
         <version.policy.common>1.3.0-SNAPSHOT</version.policy.common>
         <version.policy.parameters>1.3.0-SNAPSHOT</version.policy.parameters>
     </properties>