Fixed style of error messages in NotificationCenter.
[FIX] bad case in class name
Locales updated
Added type `ParameterInformation::TYPE_DOCUMENTIDARRAY` for blocks parameters.
Merge pull request #541 from franckstauffer/i18n

Various fixes and cleanups
Merge pull request #542 from fredericbonjour/Admin

Added type `ParameterInformation::TYPE_DOCUMENTIDARRAY` for blocks parameters. Fixed style of error messages in NotificationCenter.
DocumentSeo on non publishable document is no longer available, default meta is now moved on SEO model configuration
Seo Aside for publishable document works
Fonctional Page is no longer used for SEO
Refactoring about default variables and meta substitutions
Fix issue with Document SEO editor and variables.
Add propertyKey twig function on Seo module
Add a link to the target document in Document SEO
Refactoring after code review
Refactoring according to the new guidelines