fixed type hinting of Mailer
Create validators.gr.yml

Added Greek translation
Create FOSUserBundle.gr.yml

Added Greek tanslation
Renamed to align with validators.pt.yml

Portuguese of Portugal is the standard portuguese and it's official code is pt.
See: http://en.wikipedia.org/wiki/ISO_639-1
[DX] Extends base controller Symfony class instead of ContainerAware
Update Changelog.md
Actualizar traducción FOSUserBundle.es.yml

Lo he echado en falta al activar el login mediante nombre de usuario o email.
Merge pull request #1560 from jaimeninolesjimeno/patch-1

Actualizar traducción FOSUserBundle.es.yml
Update groups.md

With the doctrine xml config
Update groups.md
Update groups.md

remove cascading
Improved the documentation about overwriting forms

Instead of using PHP inheritance from the FOSUserBundle form type, the doc
now uses the form type hierarchy.
Preserve entropy in TokenGenerator

base_convert loses precision on large inputs. Use URL-safe base64_encode instead.
Updated the changelog and the upgrade instructions
Merge branch 'preserve_entropy' into 1.3.x
Add one single routing file and update documentation
Merge pull request #1591 from aferrandini/group-routing-configuration-in-one-file

[DX] Simplify the step 6 of the installation process
Update email.txt.twig

resetting.email.subject doesn't require the variables '%username%' and '%confirmationUrl'.
Merge pull request #1594 from xavierfaucon/patch-2

Update email.txt.twig
Cleaning up uses