also put the version in a very distinctive way

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@29895 71c3de6d-444a-0410-be80-ed276b4c234a

war/pom.xml

@@ -66,6 +66,7 @@ THE SOFTWARE.
             </manifest>
             <manifestEntries>
               <Implementation-Version>${project.version}</Implementation-Version>
+              <Hudson-Version>${project.version}</Hudson-Version>
             </manifestEntries>
           </archive>
           <!--outputFileNameMapping>@{artifactId}@.@{extension}@</outputFileNameMapping-->