added show in container checkbox to Page settings
added wrapper function for teaser images.
Added teaser image and text to container.
fixed breadcrumb.
fixed typo in Page.php
created subpage logic. added extensions.
tweaked SubPage template. fixed SubPage carousel. tweaked Page template. added siteconfig Extensions/SitelSiteConfig.php
added topp carousel
added carousel with size toggle
Added global footer and frontpage sub page content
Added teasers for front page
fixed teaser size on Container
Implemented contact page
Merge pull request #2 from tidemann/master

thanks