Adding specs for normalizers
Spec for Metric normalizer and bug fix
Spec on ProductNormalizer
Spec for ProductValueNormalizer
Configuration for MongoFactory injection
New service to massively insert pending versions

Conflicts:
	src/Pim/Bundle/TransformBundle/Resources/config/storage_driver/doctrine/mongodb-odm.yml
CS fixes
File to load persisters from VersioningBundle
Fix date on pending version
Make the Date factory works the same without parameter
Merge branch 'maintenance/1.1_backports' into backport_direct_mongo_writer

Conflicts:
	src/Pim/Bundle/BaseConnectorBundle/Resources/config/storage_driver/doctrine/mongodb-odm.yml
	src/Pim/Bundle/BaseConnectorBundle/Writer/DirectToDB/MongoDB/ProductWriter.php
	src/Pim/Bundle/TransformBundle/Normalizer/MongoDB/AssociationNormalizer.php
Merge conflict fixes
phpDoc fixes
Fixes typehinting
Style fixes

Conflicts:
	src/Pim/Bundle/BaseConnectorBundle/Writer/DirectToDB/MongoDB/ProductWriter.php
Merge pull request #1271 from akeneo/backport_direct_mongo_writer

Backport direct mongo writer