improved the handling when a module build doesn't exist.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@7507 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/maven/MavenModuleSetBuild/main.jelly

@@ -20,7 +20,7 @@
             <j:otherwise><!-- module build non-existent, so no link -->
               <img src="${imagesURL}/16x16/grey.gif" />
               <st:nbsp/>
-              ${m.displayName}
+              ${m.displayName} (didn't run)
             </j:otherwise>
           </j:choose>
         </div>