LICENSE files moved to meta folders
merged branch peterkokot/patch-license (PR #9041)

This PR was submitted for the 2.1 branch but it was merged into the 2.2 branch instead (closes #9041).

Discussion
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Patch license

According to the documentation: http://symfony.com/doc/current/cookbook/bundles/best_practices.html#directory-structure I think LICENSE files should be in meta folders in Symfony core bundles as well. If I'm mistaken you can close this pull request. Thanks.

Commits
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66bafd2 LICENSE files moved to meta folders