aem6 exclusive features, move to 1.1-snapshot

i18n sling:resourceType=sling:basename matches are available as
fallback. I18nSightlyBindingValueProvider updates the populates/updates
the "properties" data-binding
IronSitemapUse and a sightly specific variant of IronSitemap is now
available. This exhibits a mixed mode example between JSP & sightly, to
retain xml extension support.
changing profiles from local-author and local-publish to author and
publish respectively