Making us less dependant on javascript trust

Many of the microapps are pretty javascript dependant, but at least
we should allow users to get to the new notice field without allowing
javascript to run in the browser. :)

lib/microappplugin.php

@@ -162,6 +162,14 @@ abstract class MicroAppPlugin extends Plugin
      */
     abstract function deleteRelated($notice);
 
+    /**
+     *
+     */
+    public function newFormAction() {
+        // such as 'newbookmark' or 'newevent' route
+        return 'new'.$this->tag();
+    }
+
     /**
      * Check if a given notice object should be handled by this micro-app
      * plugin.
@@ -536,7 +544,9 @@ abstract class MicroAppPlugin extends Plugin
 
     function onStartShowEntryForms(&$tabs)
     {
-        $tabs[$this->tag()] = $this->appTitle();
+        $tabs[$this->tag()] = array('title' => $this->appTitle(),
+                                    'href'  => common_local_url($this->newFormAction()),
+                                   );
         return true;
     }