minor #3754 ignore more files and directories which are created when building the documentation (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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ignore more files and directories which are created when building the documentation

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
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5f5e8a5 ignore more files and directories which are created when building the documentation
minor #3757 Fixed a typo in the request formats configuration page (gquemener)

This PR was merged into the master branch.

Discussion
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Fixed a typo in the request formats configuration page

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.5
| Fixed tickets |

Commits
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efbe0f3 Fixed a typo
minor #3758 [Book][Routing] Fixed typo on PHP version of a route definition (saro0h)

This PR was merged into the 2.3 branch.

Discussion
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[Book][Routing] Fixed typo on PHP version of a route definition

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all (or 2.3+)
| Fixed tickets | -

On http://symfony.com/doc/master/book/routing.html#advanced-routing-example, the PHP version has a wrong route name.

Commits
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b29abca [Book][Routing] Fixed typo on PHP version of a route definition
[Cookbook][Sessions] some language improvements
modify Symfony CMF configuration values in the build process so that they match the Symfony documentation
[Book][Internals] add description for the kernel.finish_request event
Updated event_listener.rst

Updated event_listener.rst to use the new KernelEvent::isMasterRequest method
[Book][Security] constants are defined in the SecurityContextInterface
Added Versionadded directive to event_listener.rst

Added missing Versionadded directive to event_listener.rst
Added KernelEvent::isMasterRequest method reference
[Console] Add documentation for QuestionHelper
[Console] Add Process Helper documentation
[Expression Langage] be consistent in "print/print out" uses
Fixed internals.rst syntax
ensure that destination directories don't exist before creating them
Fix link for StopwatchEvent class
[Book] make headlines consistent with our standards
[Reference] consistent headlines
[QuickTour] consistent headlines
document the default value of the form's compound option