Fixed example
Update index.rst
Update index.rst
Une phrase était restée en anglais.
Update event_listener.rst
Update generate_bundle.rst for fix --structure cmd
Added Security component translation
Fix exclude example by replacing [] by {}
Fixed typos
Update doc (validation and form)

Replace $form->bind($request);
Merge branch 'NAYZO-patch-1' into 2.3
Merging #478
Merge branch 'patch-2' of git://github.com/NAYZO/symfony-docs-fr into NAYZO-patch-2
Merge branch 'lvParis-patch-2' into 2.3
Merge branch '94noni-patch-1' into 2.3
Merge branch 'Riges-patch-2' into 2.3
Merge branch 'saro0h-security-component' into 2.3
Merge branch 'patch-1' of git://github.com/maximecolin/symfony-docs-fr into maximecolin-patch-1
Merge branch 'maximecolin-patch-1' into 2.3
Merge branch 'ErikSaunier-patch-2' into 2.3