- modify z.a.folder.browser to use browser:containerViews

  (for conciseness and to set a good example)
- fix <browser:containerViews index="..."/> to create an index page instead
  of a contents page

(merged from Zope3 trunk revision 27485)

browser/configure.zcml

@@ -0,0 +1,38 @@
+<configure
+    xmlns="http://namespaces.zope.org/zope"
+    xmlns:browser="http://namespaces.zope.org/browser"
+    i18n_domain="zope"
+    >
+
+  <browser:icon
+      name="zmi_icon"
+      for="zope.app.folder.interfaces.IFolder"
+      file="folder_icon.gif"
+      />
+
+  <browser:addMenuItem
+      class="zope.app.folder.Folder"
+      title="Folder"
+      description="Minimal folder"
+      permission="zope.ManageContent"
+      />
+
+  <browser:containerViews
+      for="zope.app.folder.interfaces.IFolder"
+      contents="zope.ManageContent"
+      index="zope.View"
+      />
+
+  <!-- Preview view - requires zope.app.preview -->
+
+  <configure package="zope.app.preview">
+    <browser:page
+        for="zope.app.folder.interfaces.IFolder"
+        name="preview.html"
+        template="preview.pt"
+        permission="zope.ManageContent"
+        menu="zmi_views" title="Preview"
+        />
+  </configure>
+
+</configure>