* 2.2:
fixed CS
Fixed XML syntax.
Fixed parsing of leading blank lines in folded scalars. Closes#7989.
[Form] Fixed a method name.
Added a test case for Loader::import().
Fixed Loader import
[Console] Added dedicated testcase for HelperSet class
[Serializer] fixed CS (refs #7971)
Fixed fatal error in normalize/denormalizeObject.
Fixed 2 namespaces
Conflicts:
src/Symfony/Component/HttpKernel/Debug/ErrorHandler.php
src/Symfony/Component/HttpKernel/Tests/Fragment/InlineFragmentRendererTest.php