Fixed typo
minor #10657 [TwigBundle] Fixed typo (pborreli)

This PR was merged into the 2.5-dev branch.

Discussion
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[TwigBundle] Fixed typo

Commits
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46bb8b9 Fixed typo
[Serializer] Refactored XmlEncoder to remove dependency to SimpleXml
minor #10668 [RFR] [Serializer] Refactored XmlEncoder to remove dependency to SimpleXml (csarrazi)

This PR was merged into the 2.5-dev branch.

Discussion
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[RFR] [Serializer] Refactored XmlEncoder to remove dependency to SimpleXml

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | dunno
| License       | MIT
| Doc PR        | -

Instead of switching between SimpleXml and DOM Xml, we only use DOM Xml, in order to parse the source XML when decoding an XML string.

Commits
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db44f0f [Serializer] Refactored XmlEncoder to remove dependency to SimpleXml
[VarDebug] Symfony debug extension
[VarDebug] a README for the debug extension
[VarDebug] algo to clone any PHP variable to a breadth-first queue
[VarDebug] symfony_debug ext. fast and memory efficient cloning algo
[VarDebug] add casters for per class/resource custom state extraction
[VarDebug] casters for exceptions representation
[VarDebug] casters for SPL data structures
[VarDebug] casters for PDO related objects
[VarDebug] casters for removing the entity manager from Doctrine proxies
[VarDebug] interface for dumping cloned variables
[VarDebug] CLI dedicated dumper and related abstract
[VarDebug] HTML variant of the CLI dumper
[VarDebug] spec for json based representation of PHP vars
[VarDebug] json dumper for interoperable displaying
[VarDebug] tests for JsonDumper
[VarDebug] tests for CliDumper