* 2.2:
Fix default value handling for multi-value options
[HttpKernel] truncate profiler token to 6 chars (see #7665)
Disabled APC on Travis for PHP 5.5+ as it is not available
[HttpFoundation] do not use server variable PATH_INFO because it is already decoded and thus symfony is fragile to double encoding of the path
Fix download over SSL using IE < 8 and binary file response
[Console] Fix merging of application definition, fixes#7068, replaces #7158
[HttpKernel] fixed the Kernel when the ClassLoader component is not available (closes#7406)
fixed output of bag values
[Yaml] improved boolean naming ($notEOF -> !$EOF)
[Yaml] fixed handling an empty value
[Routing][XML Loader] Add a possibility to set a default value to null
[Console] fixed handling of "0" input on ask
The /e modifier for preg_replace() is deprecated in PHP 5.5; replace with preg_replace_callback()
fixed handling of "0" input on ask
[HttpFoundation] Fixed bug in key searching for NamespacedAttributeBag
[Form] DateTimeToRfc3339Transformer use proper transformation exteption in reverse transformation
Update PhpEngine.php
[PropertyAccess] Add objectives to pluralMap
[Security] Removed unused var
[HttpFoundation] getClientIp is fixed.
Conflicts:
src/Symfony/Component/Console/Tests/Command/CommandTest.php
src/Symfony/Component/Console/Tests/Input/ArgvInputTest.php
src/Symfony/Component/HttpFoundation/Request.php
src/Symfony/Component/HttpKernel/Kernel.php
