SSI support
Disallow abstract definitions from doctrine event listener registration
[HttpFoundation] ResponseHeaderBag::clearCookie now accepts secure/httpOnly
Add missing dot at the end of an exception message
[Translation:update][Xliff Dumper] added target-language.
Added verbosity methods
[HttpFoundation] Added a switch to delete file after the response is send
Added line feed to container alias description (text descriptor)
New service to simplify password encoding
Improving the exception message when the bundle name is wrong for the controller in a route

Usually, it is wrong because you've chosen the wrong bundle name in your _controller syntax.
But this also tries to imply that you *might* be missing your bundle initialization in AppKernel
(though I think this is much much less common).
[Console] Add threshold for ProcessHelper verbosity
[FrameworkBundle] Use ProcessHelper for server:run command
removed defaults from PHPUnit configuration
[Form] Check if IntlDateFormatter constructor returned a valid object before using it
updated CHANGELOG for 2.5.1
updated VERSION for 2.5.1
bumped Symfony version to 2.4.8
remove the scope from the output of the container:debug command
bumped Symfony version to 2.5.2
minor #11344 remove defaults from PHPUnit configuration (craue)

This PR was merged into the 2.3 branch.

Discussion
----------

remove defaults from PHPUnit configuration

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | --
| License       | MIT
| Doc PR        | --

Follow-up to #11329.

Commits
-------

afc4930 removed defaults from PHPUnit configuration