PIM-3434: throw exception when media file does not exist
Merge pull request #1830 from akeneo/PIM-3434

PIM-3434: throw exception when media file does not exist
PIM-3326-stable-static-analysis: Fix checkstyle
Merge pull request #1841 from akeneo/PIM-3326-stable-static-analysis

PIM-3326-stable-static-analysis: Fix checkstyle
PIM-3436: wysiwyg fix
Merge pull request #1835 from akeneo/PIM-3436

PIM-3436: wysiwyg fix (load them asynchronously)
PIM-3369 : stops the product import with a detailed notice when
encounters issues with field formatting

Conflicts:
	CHANGELOG.md
PIM-3369 : fix issue with optional currency in a csv field
PIM-3369 : fix the optional two fields case for metric import
PIM-3369 : add scenario on invalid headers
Merge pull request #1831 from akeneo/PIM-3369

PIM-3369 : stops the product import with a detailed notice when issue with fields format
PIM-3393 Don't show the update view button for non-owners
PIM-3393 Update changelog
Merge pull request #1833 from akeneo/PIM-3393-1.2

PIM-3393 Don't show the update view button for non-owners
Merge branch 'master' into merge-fixes-on-master

Conflicts:
	src/Pim/Bundle/CatalogBundle/Doctrine/MongoDBODM/Filter/EntityFilter.php
	src/Pim/Bundle/CatalogBundle/Doctrine/MongoDBODM/Filter/OptionsFilter.php
	src/Pim/Bundle/CatalogBundle/Manager/MediaManager.php
PIM-3369 : re-work the field name builder
PIM-3434 : re-work the media manager
PIM-3434 : cosmetic
Merge pull request #1842 from akeneo/merge-fixes-on-master

Merge fixes on master
PIM-3393 Fix choice keys in DatagridViewManager::getColumnChoices()