3.0.0-alpha.1

Merged pull requests:

• Add support for doctrine/migrations 3.0 #278 (goetas)
• Add notes on how to upgrade from 2.x to 3.0 #304 (goetas)
• Drop usage of application name #299 (chr-hertel)
• Detect the entity manager in a compiler pass #298 (goetas)
• Remove unknown 2.2.x branch from config #303 (SenseException)
• Fix of branch names for doctrine website build #290 (SenseException)
• Merge release 2.1.2 into master #289 (doctrinebot)

Closed issues:

• Configuring which finder to use #127
• The parameter "doctrine_migrations.organize_migrations" must be defined. #180
• The entity manager is not available #297
• Doctrine Migrations causing Doctrine Entity Listener service error #225
• [Feature] Default connection configuration option for performing migration commands #189
• Execute migrations before diff command #177
• Store migrations inside bundles and collect them from installed bundles #152