* 2.4:
[HttpFoundation] implement session locking for PDO
[DomCrawler] Fixed the coding standards to use strict comparisons
[HttpKernel] removed absolute paths from the generated container
[DomCrawler] Fixed the initial state for options without value attribute
Fixed the handling of boolean attributes in ChoiceFormField
Fixed FormDataExtractorTest_SimpleValueExporter::exportValue not implementing the interface correctly
Updated form dev dependencies
* 2.4:
udpated LICENSE year
update year on licenses
rundown and typo fix
[Process] Fix#9861 : Revert TTY mode
[Form] Update minimal requirement in composer.json
Fix Empty translations with Qt files
[Console] Fixed command name guessing if an alternative is an alias.
Update UPGRADE-2.3.md to account for #9388
[WebProfilerBundle] Fixed profiler toolbar icons for XHTML.
[BrowserKit] Throw exception on invalid cookie expiration timestamp
[Propel1Bridge][ModelChoiceList] add exception message for invalid classes
* 2.2: (30 commits)
[HttpFoundation] Added support for partial ranges in the BinaryFileResponse.
[HttpFoundation] Fixed byte ranges in the BinaryFileResponse.
updated required versions when depending on the HttpFoundation component
updated required versions when depending on the HttpKernel component
updated required versions when depending on the Config component
updated required versions when depending on the Form component
updated required versions when depending on the DependencyInjection component
updated required versions when depending on the Validator component
updated required versions when depending on the Translation component
updated required versions when depending on the Routing component
updated required versions when depending on the EventDispatcher component
updated required versions when depending on the OptionsResolver component
updated required versions when depending on the PropertyAccess component
updated required versions when depending on the Security component
updated required versions when depending on the Templating component
updated required versions when depending on the Stopwatch component
updated required versions when depending on the Process component
updated required versions when depending on the Finder component
updated required versions when depending on the Dom Crawler component
use ~2.0 when depending on the Dom Crawler component
...
* Switched to Composer to manage "dev" dependencies
* Fixed READMEs
* Excluded vendor in phpunit.xml.dist files
* Fixed message in bootstrap.php files
* Added autoloader for the component itself
