> Installing/Updating Symfony/Component/ClassLoader
HEAD is now at 1c05511 [ClassLoader] Update PSR-0 reference.
> Installing/Updating Symfony/Component/EventDispatcher
HEAD is now at 359cd11 removed the version attribute in all composer.json files
> Installing/Updating doctrine-orm
HEAD is now at 304acf0 Merge branch 'DDC-2310' into 2.3
> Installing/Updating doctrine-dbal
HEAD is now at fd45c6f Merge remote-tracking branch 'origin/2.3' into 2.3
> Installing/Updating doctrine-common
HEAD is now at bb0aebb Bump dev version to 2.3.1
> Installing/Updating doctrine-mongodb
HEAD is now at d7fdcff Add Collection::upsert() method.
> Installing/Updating doctrine-mongodb-odm
HEAD is now at e8c0bfb Rename fixture classes in ReferenceDiscriminatorsTest