* 4.3:
fixed CS
fixed CS
fixed CS
Do not log or call the proxy function when the locale is the same
Added missing required dependencies on psr/cache and psr/container in symfony/cache-contracts and symfony/service-contracts respectively.
[HttpClient] fix closing debug stream prematurely
[Mailer] made code more robust
Restore compatibility with php 5.5
fixed sender/recipients in SMTP Envelope
collect called listeners information only once
[HttpKernel] Remove TestEventDispatcher.
