fix PIM-3093
changelog update
fix on swith for en
Merge branch 'master' into PIM-3093

* master:
  Allow using the current page as 'data-redirect-url' for elements that make ajax calls
  Skip ProductWriterSpec when run on ORM installations
  PIM-3002: add macros to render confirmation popins
  PIM-2911 : re-organize the normalizers to avoid conflicts with SerializerAwareInterface by defining the normalizers as service for each serializer
  PIM-2911 : introduce a dedicated webservice serializer
  Spec on ProductWriter + adding missing setter in ProductInterface
  PIM-2911 : add some spec for the product handler
  PIM-2911 : add a access denied case
  PIM-2911 : add a Rest Product Handler
  Add events dispatched before and after insert and update
  PIM-2911 : extract locales and channels preparation in dedicated methods
  Fix typo
  MD formatting
  MD styles for upgrade doc
  PIM-2911 : refactor product controller
  Fixes renaming
  CS fixes
  New MediaNormalizer for DirectoToDb writer
  Upgrade script to migrate media data in MongoDB between 1.1 and 1.2
  Put back media inside the product
Merge pull request #1368 from akeneo/PIM-3093

Pim 3093