* 2.7:
[CS] Respect PSR2 4.2
[Form] fix `empty_data` option in expanded `ChoiceType`
[Console] removed unneeded private methods
sync min email validator version
[TwigBridge] Fix inconsistency in LintCommand help
explicitly forbid e-mail validator 2.0 or higher
Fixed SymfonyQuestionHelper multi-choice with defaults
[DoctrineBridge] Don't use object IDs in DoctrineChoiceLoader when passing a value closure
Differentiate between the first time a progress bar is displayed and subsequent times
finished previous commit
No more exception for malformed input name
fix post_max_size_message translation
[Process] Fix pipes cleaning on Windows
Avoid phpunit 5.4 warnings on getMock
[Form] Add exception to FormRenderer about non-unique block names
[Form] Consider a violation even if the form is not submitted
