* 2.1: (24 commits)
updated license year
Update src/Symfony/Component/HttpFoundation/Response.php
[Form] Fixed inheritance of "error_bubbling" in RepeatedType
[Form] Fixed DateType when used with the intl extension disabled.
[HttpFoundation] fix return types and handling of zero in Response
[HttpFoundation] better fix for non-parseable Expires header date
Fixed missing plural message in portuguese validator
Fix Expires when the header is -1
[DoctrineBridge] Allowing memcache port to be 0 to support memcache unix domain sockets.
[Console] fixed unitialized properties (closes#5935)
[Process] Prevented test from failing when pcntl extension is not enabled.
Revert "[DoctrineBridge] Improved performance of the EntityType when used with the "query_builder" option"
[Form] Fixed failing tests for DateTimeToStringTransformer.
[Locale] Fixed the StubLocaleTest for ICU versions lower than 4.8.
[Bundle] [FrameworkBundle] fixed typo in phpdoc of the SessionListener.
[Form] Fixed test regression introduced in #6440
[Tests] Fix namespaces
Fixed php doc of GenericEvent::__construct
HttpUtils must handle RequestMatcher too
use preferred_choices in favor of preferred_query
...
Conflicts:
src/Symfony/Bridge/Propel1/Form/ChoiceList/ModelChoiceList.php
