Giving a hint on how to use Groovy scripts.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1237 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/PluginWrapper.java

@@ -257,6 +257,11 @@ public final class PluginWrapper {
         return shortName;
     }
 
+    @Override
+    public String toString() {
+        return "Plugin:" + getShortName();
+    }
+
     /**
      * Returns a one-line descriptive name of this plugin.
      */