added test description
added new filed is_default_page to catalog
changed generation of contentnavigation to catalog istead of walking through
added new registryvalue for root node rendering to profile
removed setup plone.api from dependencies
added posibility to choose wether to render root node or not
check if the product is installed or not is now done by browserlayer an not via quickinstaller
added steps to be taken for update
Merge pull request #1 from tgrafise/master

Several Changes