bugix: CookieJar returns cookies with domain "domain.com" for domain "foodomain.com"
merged branch povilas/cookiejar-bugfix (PR #9125)

This PR was submitted for the master branch but it was merged into the 2.2 branch instead (closes #9125).

Discussion
----------

[BrowserKit] bugix: CookieJar returns cookies with domain "domain.com" f...

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

Fixes this bug:
```php
$cookieJar = new CookieJar();
$cookieJar->set(new Cookie('foo', 'bar', null, '/', '.example.com'));

print_r($cookieJar->allValues('http://wwwexample.com'));
// expected result: array()
// actual result: array('foo' => 'bar')
```

Commits
-------

060b28e [BrowserKit] bugix: CookieJar returns cookies with domain "domain.com" for domain "foodomain.com"
updated CHANGELOG for 2.2.7
update CONTRIBUTORS for 2.2.7
updated VERSION for 2.2.7
fixed typo
bumped the version
updated CHANGELOG for 2.2.8
updated VERSION for 2.2.8
bumped Symfony version to 2.2.9
[Routing] removed extra argument