consistency
Merge pull request #486 from symfony-cmf/consistency

Consistency
link to the child extension
Merge pull request #487 from symfony-cmf/content-bundle

Content bundle
correct reference to the CoreBundle sonata extensions in ContentBundle, added them in the BlockBundle
fix minor 1.1 update omissions
Merge pull request #489 from symfony-cmf/simple_cms

Simple cms
Merge pull request #488 from symfony-cmf/core-bundle-admin-extension

Core bundle admin extension
added missing orm persistence config reference and mention HierarchyInterface
Merge pull request #490 from symfony-cmf/core_bundle

Core bundle
updated book for 1.1

note that multi lang will be handled in a dedicated chapter, see https://github.com/symfony-cmf/symfony-cmf-docs/pull/480
Merge pull request #493 from symfony-cmf/book

Book
clean up cookbook articles