configure.zcml

<configure
  xmlns="http://namespaces.zope.org/zope"
  xmlns:browser="http://namespaces.zope.org/browser"
  i18n_domain="tncr.theme">

 <browser:viewlet
  name="plone.htmlhead.title"
  manager="plone.app.layout.viewlets.interfaces.IHtmlHead"
  class=".viewlets.TitleViewlet"
  permission="zope2.View"
  layer="tncr.theme.interfaces.ITncrThemeLayer" />

 <browser:viewlet
  name="plone.links.favicon"
  manager="plone.app.layout.viewlets.interfaces.IHtmlHeadLinks"
  class=".viewlets.FaviconViewlet"
  template="favicon.pt"
  permission="zope2.View"
  layer="tncr.theme.interfaces.ITncrThemeLayer" />

 <browser:viewlet
  name="plone.logo"
  manager="plone.app.layout.viewlets.interfaces.IPortalHeader"
  class=".viewlets.LogoViewlet"
  template="logo.pt"
  permission="zope2.View"
  layer="tncr.theme.interfaces.ITncrThemeLayer" />

 <browser:viewlet
  name="plone.global_sections"
  manager="plone.app.layout.viewlets.interfaces.IPortalHeader"
  class="plone.app.layout.viewlets.common.GlobalSectionsViewlet"
  template="sections.pt"
  permission="zope2.View"
  layer="tncr.theme.interfaces.ITncrThemeLayer" />

 <browser:viewlet
  name="plone.footer"
  manager="plone.app.layout.viewlets.interfaces.IPortalFooter"
  class="plone.app.layout.viewlets.common.FooterViewlet"
  template="footer.pt"
  permission="zope2.View"
  layer="tncr.theme.interfaces.ITncrThemeLayer" />

 <!-- Move Keywords to BelowContentTitle Manager -->
 <browser:viewlet
  name="plone.belowcontenttitle.keywords"
  manager="plone.app.layout.viewlets.interfaces.IBelowContentTitle"
  template="keywords.pt"
  permission="zope2.View"
  layer="tncr.theme.interfaces.ITncrThemeLayer" />

 <browser:page
  for="*"
  name="tinymce-jsonconfiguration"
  class=".tinymce.TinyMCEBrowserView"
  permission="zope2.View"
  attribute="jsonConfiguration"
  layer="..interfaces.ITncrThemeLayer" />

</configure>