Make "Add to release" a modal dialog

src/root/topbar.tt

@@ -1,6 +1,6 @@
 [% BLOCK menuItem %]
   <li class="[% IF "${root}${curUri}" == uri %]active[% END %]" [% IF confirmmsg %]onclick="javascript:return confirm('[% confirmmsg %]')"[% END %]>
-    <a href="[% uri %]">[% title %]</a>
+    <a href="[% uri %]" [% IF modal %]data-toggle="modal"[% END %]>[% title %]</a>
   </li>
 [% END %]
 
@@ -155,6 +155,12 @@
             uri = c.uri_for('/build' build.id 'cancel')
             title = "Cancel build" %]
         [% END %]
+        [% IF available && project.releases %]
+          [% INCLUDE menuItem
+            uri = "#add-to-release"
+            title = "Add to release"
+            modal = 1 %]
+        [% END %]
       [% END %]
     [% END %]
   [% END %]