[website selector] Locale correction
Issue #4 : Refactor base admin
Merge branch 'master' of git://github.com/prestaconcept/PrestaCMSCoreBundle
Issue #13 : Refactor base block

- refactor execute so we just have to declare a template variable
- refactor form create so we just have to configure settings
Issue #13 : Refactor base block

apply it to page children block
Issue #13 : Refactor base block

Add new BaseModelBlockService to easily handle blocks linked to ORM models