added Compare back to POM and feature list. (Workaround: added LUNA-repo

to target, TODO: get the needed classes from Mars repo)

features/org.yakindu.sct-feature/feature.xml

@@ -26,12 +26,12 @@
       <import feature="org.yakindu.base" version="2.4.1.qualifier"/>
    </requires>
 
-   <!--plugin
+   <plugin
          id="org.yakindu.sct.compare"
          download-size="0"
          install-size="0"
          version="0.0.0"
-         unpack="false"/-->
+         unpack="false"/>
 
    <plugin
          id="org.yakindu.sct.model.sgraph"

releng/org.yakindu.sct.releng/pom.xml

@@ -505,7 +505,7 @@
 		<!-- Only for access without m2-repo -->
 		<module>../org.yakindu.base.target</module>
 		<module>../org.yakindu.sct.commons</module>
-		<!-->  <module>../org.yakindu.sct.compare</module <-->
+		<module>../org.yakindu.sct.compare</module>
 		<module>../org.yakindu.sct.domain</module>
 		<module>../org.yakindu.sct.domain.generic</module>
 		<module>../org.yakindu.sct.doc.user</module>