Refactor code to use interfaces (For category essentially)
PIM-2071: Make resolve target entity useable with Category entity
PIM-2071: Update CHANGELOG.md
Merge branch 'master' into PIM-2071
PIM-2073: Make Category overridable
Merge branch 'master' into PIM-2071
Merge branch 'PIM-2073' into PIM-2071
PIM-2071: Update composer.json for our DoctrineExtension git repository
Merge pull request #750 from akeneo/PIM-2071

PIM-2071: Make resolve target entity useable with Category entity
Remove our own doctrine extension repository and update composer.json
Remove attribute cache from product
Merge pull request #755 from akeneo/remove_allattributes_from_product

Remove attribute cache from product
CS Fixes
Remove unused local variables
PIM-1888: Update products reader for fixtures loading
Merge pull request #756 from akeneo/PIM-1888

PIM-1888: Update products reader for fixtures loading
Remove useless blank lines
Remove useless use statement
Merge branch 'master' into refactoring_interfaces
Fixed licence syntax