Update Symfony2 vendors.
Merge branch 'release-1.3'

Conflicts:
	src/lib/vendor/Symfony/Component/ClassLoader/ApcUniversalClassLoader.php
	src/lib/vendor/Symfony/Component/ClassLoader/ClassCollectionLoader.php
	src/lib/vendor/Symfony/Component/ClassLoader/DebugUniversalClassLoader.php
	src/lib/vendor/Symfony/Component/ClassLoader/LICENSE
	src/lib/vendor/Symfony/Component/ClassLoader/README.md
	src/lib/vendor/Symfony/Component/ClassLoader/UniversalClassLoader.php
	src/lib/vendor/Symfony/Component/ClassLoader/composer.json
	src/lib/vendor/Symfony/Component/Config/ConfigCache.php
	src/lib/vendor/Symfony/Component/Config/Definition/ArrayNode.php
	src/lib/vendor/Symfony/Component/Config/Definition/BaseNode.php
	src/lib/vendor/Symfony/Component/Config/Definition/Builder/ArrayNodeDefinition.php
	src/lib/vendor/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
	src/lib/vendor/Symfony/Component/Config/Definition/Builder/NodeBuilder.php
	src/lib/vendor/Symfony/Component/Config/Definition/Builder/NodeDefinition.php
	src/lib/vendor/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
	src/lib/vendor/Symfony/Component/Config/Definition/PrototypedArrayNode.php
	src/lib/vendor/Symfony/Component/Config/Definition/VariableNode.php
	src/lib/vendor/Symfony/Component/Config/FileLocator.php
	src/lib/vendor/Symfony/Component/Config/LICENSE
	src/lib/vendor/Symfony/Component/Config/Loader/Loader.php
	src/lib/vendor/Symfony/Component/Config/Loader/LoaderInterface.php
	src/lib/vendor/Symfony/Component/Config/README.md
	src/lib/vendor/Symfony/Component/Config/Resource/DirectoryResource.php
	src/lib/vendor/Symfony/Component/Config/Resource/FileResource.php
	src/lib/vendor/Symfony/Component/Config/composer.json
	src/lib/vendor/Symfony/Component/Console/Application.php
	src/lib/vendor/Symfony/Component/Console/Command/Command.php
	src/lib/vendor/Symfony/Component/Console/Command/HelpCommand.php
	src/lib/vendor/Symfony/Component/Console/Command/ListCommand.php
	src/lib/vendor/Symfony/Component/Console/Helper/DialogHelper.php
	src/lib/vendor/Symfony/Component/Console/Input/ArgvInput.php
	src/lib/vendor/Symfony/Component/Console/Input/ArrayInput.php
	src/lib/vendor/Symfony/Component/Console/Input/InputArgument.php
	src/lib/vendor/Symfony/Component/Console/Input/InputDefinition.php
	src/lib/vendor/Symfony/Component/Console/Input/InputInterface.php
	src/lib/vendor/Symfony/Component/Console/Input/InputOption.php
	src/lib/vendor/Symfony/Component/Console/LICENSE
	src/lib/vendor/Symfony/Component/Console/Output/ConsoleOutput.php
	src/lib/vendor/Symfony/Component/Console/Output/Output.php
	src/lib/vendor/Symfony/Component/Console/README.md
	src/lib/vendor/Symfony/Component/Console/Shell.php
	src/lib/vendor/Symfony/Component/Console/Tester/ApplicationTester.php
	src/lib/vendor/Symfony/Component/Console/composer.json
	src/lib/vendor/Symfony/Component/Filesystem/Filesystem.php
	src/lib/vendor/Symfony/Component/Finder/Finder.php
	src/lib/vendor/Symfony/Component/Finder/Iterator/SortableIterator.php
	src/lib/vendor/Symfony/Component/Finder/LICENSE
	src/lib/vendor/Symfony/Component/Finder/README.md
	src/lib/vendor/Symfony/Component/Finder/composer.json
	src/lib/vendor/Symfony/Component/Yaml/Dumper.php
	src/lib/vendor/Symfony/Component/Yaml/Exception/ParseException.php
	src/lib/vendor/Symfony/Component/Yaml/LICENSE
	src/lib/vendor/Symfony/Component/Yaml/Parser.php
	src/lib/vendor/Symfony/Component/Yaml/README.md
	src/lib/vendor/Symfony/Component/Yaml/Yaml.php
	src/lib/vendor/Symfony/Component/Yaml/composer.json