Adapted the pim:install command when using mondodb driver
PIM-2219 Do not rely on a query builder to remove an attribute from a product
Replaced entity cache to doctrine cache
Flush the whole document manager during completeness generation
Prevented call to undefined index
PIM-2219 Removed value records when removing them from a product entity
PIM-2219 Updated changelog
Merge branch 'master' into mongo/remove-attribute
Merge pull request #946 from akeneo/mongo/pim-install

Adapted the pim:install command when using mondodb driver
Merge pull request #947 from akeneo/mongo/remove-attribute

PIM-2219 Do not rely on a query builder to remove an attribute from a product
Merge branch 'master' into PIM-2243