Update form creator to use more conventional service names
Add loop var in flashes context
Add __toString() method to the flash message class
Added an ObjectStore#clear() wrapper method in the MessageLogger
Revert "Merge pull request #35 from KnpLabs/feature/clear-recorded-mails"

This reverts commit a1f6db248b1999252297c66c79c2f8caae38f3e0, reversing
changes made to 3c78310edb00da79e6a435c6905cb805301b171f.
Add security shortcuts
Provide support for Nelmio\Alice in AbstractFixture

Even more than that, if AbstractFixture::load() is not
overrided, it'll load all `*.yml` files (if exist) from
current fixture directory through Alice.
Fix Nelmio\Alice integration
Make createObjectFactory() protected
Extract Alice fixtures loader into own loader
Add environment support and tuneup Finder
Fix typo
Fix depth
Implement MessageFactory

Conventional mailer message factory
Add shorthand method for creating mailer message
Make parameters optional
Fix configuration parameter
Don't skip custom Alice loader
Simplify getRepository() call
Make message optional for addFlash

If message is not provided - route name +
flash type would be used as message:

- homepage.success
- app_feedback_post.success
- app_feedback_post.failure