Added ProductCacheClearer
Corrected strict standards
Corrected dependencies of direct product writer
Merge branch 'master' into fix/direct_mongodb_writer

Conflicts:
	src/Pim/Bundle/BaseConnectorBundle/Writer/DirectToDB/MongoDB/ProductWriter.php
Removed non clearable entities from fixture jobs
Merge branch 'master' into fix/direct_mongodb_writer
Removed non clearable entities from writers
Corrected typo
Merge branch 'master' into fix/direct_mongodb_writer

Conflicts:
	CHANGELOG.md
	src/Pim/Bundle/BaseConnectorBundle/Resources/config/storage_driver/doctrine/mongodb-odm.yml
	src/Pim/Bundle/BaseConnectorBundle/Writer/DirectToDB/MongoDB/ProductWriter.php
PIM-3097 : fix phpdoc and CS
fix bug PIM-3095
PIM-3097 : fix use statements and spec for product writer
Merge branch 'master' into fix/direct_mongodb_writer

Conflicts:
	src/Pim/Bundle/BaseConnectorBundle/Writer/DirectToDB/MongoDB/ProductWriter.php
fix typo
Added spec
PIM-3097 : use entity parameters in product cache clearer
Allow filtering with value '0' in metric and price filters
PIM-2848 Add the 'back to grid' button in job execution details page
Merge pull request #1361 from akeneo/fix/direct_mongodb_writer

Fix/direct mongodb writer
Fix the incremented summary info in direct product writer