> 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