[Process] Add doc for Process::disableOutput and Process::enableOutput
feature #3664 [Process] Add doc for Process::disableOutput and Process::enableOutput (romainneutron)

This PR was merged into the master branch.

Discussion
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[Process] Add doc for Process::disableOutput and Process::enableOutput

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes https://github.com/symfony/symfony/pull/10425
| Applies to    | 2.5

Hello, this is the doc related to the PR :)

Commits
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4dde2ca [Process] Add doc for Process::disableOutput and Process::enableOutput