* 2.1: (24 commits)
forced Travis to use source to workaround their not-up-to-date Composer on PHP 5.3.3
[Routing] removed irrelevant string cast in Route
Fixed typo
Make YamlFileLoader and XmlFileLoader file loading extensible
[HttpKernel] fix typo
Fixed singularization of "prices"
[Form] Removed an exception that prevented valid formats from being passed, e.g. "h" for the hour, "L" for the month etc.
[HttpKernel] fixed Client when using StreamedResponses (closes#5370)
fixed PDO session handler for Oracle (closes#5829)
[HttpFoundation] fixed PDO session handler for Oracle (closes#5829)
[Locale] removed a check that is done too early (and it is done twice anyways)
Update src/Symfony/Component/Validator/Resources/translations/validators.fa.xlf
Adding new localized strings for farsi validation.
[HttpFoundation] moved the HTTP protocol check from StreamedResponse to Response (closes#5937)
[Form] Fixed forms not to be marked invalid if their children are already marked invalid
[Form] Excluded some tests in NumberToLocalizedStringTransformerTest which fail on ICU 4.4, but work on ICU 4.8
added missing tests from previous merge
[Form] Fixed NumberToLocalizedStringTransformer to accept both comma and dot as decimal separator, if possible
Fix export-ignore on Windows
Show correct class name InputArgument in error message
...
Conflicts:
.travis.yml
src/Symfony/Component/Form/Extension/Core/DataTransformer/NumberToLocalizedStringTransformer.php
