Fix the 'is associated' filter
Make sure that the filter tries to get the current association type parameter from the additional parameters first
Fix exceptions
Update changelog
Merge pull request #1414 from akeneo/PIM-2875

PIM-2875 Fix 'is associated' filter
PIM-2874: Special characters not escaped on filter

Fixed bug with special characters are not well handled in product grid filter
PIM-2874: Fix phpspec in order to fit with changes
PIM-2874: Add spec for filter with special chars
PIM-2874: Updated CHANGELOG.md
PIM-2874: Added behat scenario
PIM-2874: Fix for behat
PIM-2874: FIxed typo in CHANGELOG.md
PIM-2874: Fixed behat
PIM-2874: Fixed code after behat fail
PIM-2874: Fix typo
Update CHANGELOG.md
Clean up behat scenario
Merge pull request #1415 from akeneo/PIM-2874

Pim-2874: Special characters are not well handled in product grid filter
Fix unique value validation for date attributes during import
Update changelog
Merge pull request #1417 from akeneo/PIM-3109

PIM-3109 Fix unique value validation for date attributes during import