Multiple Fixture Managers and Doctrine ManagerRegistry.

Attention:

This release is using Doctrine RegistryManagers instead of EntityManagers. This results in recreating the schema for all configured EntityMangers, not just the configured one.

Changes

This release contains the following changes:

• f7ef65e use psr-4 autoloader (@jrobeson)
• a1e5f3f Enabled many managers configuration (@mcg-web)
• 88cdfc6 Implemented a doctrine ManagerRegistry aware ORM System.(@h4cc)
• b0543b1 Raised alice dependency to ~ 1.6. (@h4cc)