document both cache class loader the ApcClassLoader and the XcacheClassLoader
documentation for the DebugClassLoader
documentation for the MapClassLoader class
add an introduction and documentation for the ClassLoader class
add versionadded directives for new classes
fixes thanks to @WouterJ
fix markup of links
Removed some unnecessary whitespace
Add type hinting for directly injected service $templating
fix typo in code example
fix link to Class Loader docs
document the configuration of the php-standalone and php-symfony lexers
Update installation.rst

"ACL" in uppercase for continuity reasons
Try to fix markup

XML section in http://symfony.com/doc/2.2/book/routing.html#creating-routes is missing line number and syntax coloration
add missing word
Removed warning about using swiftmailer handler with memory spool
Update dynamic_form_modification.rst
No need to set "multiple" and "expanded" to false as the field's type is "entity".
Update dynamic_form_modification.rst
query_builder's callback must return a Doctrine\ORM\QueryBuilder

calling a repository in a "query_builder" callback would result in an exception saying:
Expected argument of type "Doctrine\ORM\QueryBuilder", "array" given