Removed all not original Symfony code
bug #6 Removed all not original Symfony code (alquerci)

This PR was squashed before being merged into the 2.2 branch (closes #6).

Discussion
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| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | yes
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT

Commits
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7dc1fb4 Removed all not original Symfony code