* 2.8:
Using FQ name for PHP_VERSION_ID
[Form] Fix \IntlDateFormatter timezone parameter usage to bypass PHP bug #66323
Harden the debugging of Twig filters and functions
bumped Symfony version to 2.8.22
updated VERSION for 2.8.21
updated CHANGELOG for 2.8.21
bumped Symfony version to 2.7.29
updated VERSION for 2.7.28
update CONTRIBUTORS for 2.7.28
updated CHANGELOG for 2.7.28
* 2.8:
use HHVM 3.15 to run tests
[TwigBridge] fix Twig 2.x compatibility
removed some PHP CS Fixer rules
Improve language
[Console] SymfonyStyle: Escape trailing backslashes in user texts
Mention the community review guide
[Form] fix group sequence based validation
[Console] Fix question formatting using SymfonyStyle::ask()
* 2.8:
fixed obsolete getMock() usage
fixed obsolete getMock() usage
[WebProfilerBundle] Display multiple HTTP headers in WDT
do not remove the Twig ExceptionController service
removed obsolete condition
do not try to register incomplete definitions
* 2.8:
[TwigBridge] fix tests
Tag the FormFieldRegistry as being internal
[Form] Fix Date\TimeType marked as invalid on request with single_text and zero seconds
[Validator] Added missing swedish translation
[TranslationDebug] workaround for getFallbackLocales.
[Translation] fixed nested fallback catalogue using multiple locales.
fixed phpdoc
[Command] Fixed method comments as phpDoc syntax
Added single quotes for upgrade guides.
* 2.8:
fixed test
[Request] Ignore invalid IP addresses sent by proxies
[EventDispatcher] TraceableEventDispatcher resets listener priorities
Throw for missing container extensions
[TwigBridge] add missing unit tests (AppVariable)
Able to load big xml files with DomCrawler
fixed typo
[Form] Fix constraints could be null if not set
[Finder] Check PHP version before applying a workaround for a PHP bug
fixed CS
add defaultNull to version
sort bundles in config:dump-reference command
Fixer findings.
Profiler CSS position conflicts with JS detection
[Translation][Writer] avoid calling setBackup if the dumper is not an instance of FileDumper.
[FrameworkBundle] Compute the kernel root hash only one time
* 2.8: (22 commits)
[Form] fixed BC-break on grouped choice lists
[WebProfilerBundle] add import for Twig macro
made Symfony compatible with both Twig 1.x and 2.x
[VarDumper] Add caster for pgsql resources
[Debug/VarDumper] minor cleanups
[Form] only use PropertyPath if not already callable
[Form] fix reworked choice list phpdoc
[DoctrineBridge][Form] Add old tests to legacy group
Fixed warning when command alias is longer than command name
removed _self usage when not needed
Add support for target attributes.
Implement the support of timezone objects in the stub IntlDateFormatter
typofix - https://github.com/vlajos/misspell_fixer
make doctrine mappings compiler pass exception message more understandable
fix debug-ext 003.phpt
[Yaml] Nested merge keys
[FrameworkBundle] [Command] removed unused variable.
[FrameworkBundle] fix serializer config check
[Debug] Enhance DebugClassLoader performance on MacOSX
Add support for variadic arguments in the GetSetNormalizer
...
To let opcode caches optimize cached code, the `PHP_VERSION_ID`
constant is used to detect the current PHP version instead of calling
`version_compare()` with `PHP_VERSION`.
