Merge pull request #489 from inthause/documents

Add suggestion on Elasticsearch
Updated guidelines

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Merge pull request #490 from franckstauffer/i18n

Updated guidelines
[FIX] Add "scope: true"
[FIX] GetCorrection REST action on localized documents.
[FIX] DocumentArray property on save and corrections
[FIX] Do not alter the DateTime object on formatDate method.
[NEW] Change_Correction_Filed Event.
[NEW] Cancel workflow tasks on Change_Correction_Filed.
[FIX] Correction handling on non-publishable documents.
[REFACTOR] Move fixPageNumber method from Catalog/ProductList to the standard block
[FIX] Minor fixes, refactorings and cleanings.
[NEW] FunctionalPage are no longer publishable
[NEW] UrlManager::getByFunction() now returns an URL on a section, not a FunctionalPage
[NEW] FunctionalPage is now always resolved "recursively" (if it is not define in the section, look in its ancestors recursively)
[FIX] Page resolution.
[FIX #476] New hideLinks property on StaticPage to hide it in menus and site map. When a page is set as index page, set hideLinks to true.
Merge pull request #496 from intportg/dev

Dev
[FIX] Fatal error.
Merge pull request #497 from intportg/dev

[FIX] Fatal error.
[Add]CrossSelling initial commit
[Add]Cross Selling : symmetrical lists
[Fix]Last merge conflicts resolution