Fixed undefined index notice in readProperty() method (PropertyPath)
added MessageDataCollector forward compatibility
added locale handling forward compatibility
added note about the purpose of this class
Clear session cookie if user was deleted, is disabled or locked to prevent infinite redirect loops to the login path (fixes #1798).
tweaked error handling for the forward compatibility
Remove only the security token instead of the session cookie.
added basic README files for all components

    heavily inspired by http://fabien.potencier.org/article/49/what-is-symfony2 and the official Symfony2 documentation
fixed README for Console
cosmetic tweaks
added READMEs for the bridges
added some more infos about Config
typo fix
[Finder] bypassed some code when possible
[FrameworkBundle] added a missing translation for pt_PT (backported from master)
[FrameworkBundle] fixed HttpKernel when the app is stateless
[FrameworkBundle] fixed output buffering when an error occurs in a sub-request
fixed CodeHelper::formatFileFromText() method to allow &quot; as a file wrapper (it occurs for the main exception message)
[Security] Fix checkRequestPath doc; closes #2323
Added protected Serializer#supportsNormalization

This is very useful for cleaning up the logic in Serializer#normalize
and allow easy checking of both the cache & stored normalizers