doFlush returns the same RouteCollection instance now, so there's no need to add the sub-collection routes to itself

This PR was merged into the 1.3 branch.

Discussion
----------

added support for Symfony ConstraintValidatorFactory

fixes #1191

Commits
-------

3f93eb88 added missing docs
fe7403d7 added support for Symfony ConstraintValidatorFactory
eb9da773 simplified code

This PR was merged into the 1.3 branch.

Discussion
----------

fixed translation override

fixes #1041

I've also removed a cookbook entry which is not relevant anymore.

Commits
-------

dd270386 fixed translation override
6d3cc41b removed obsolete cookbook entry

This PR was merged into the 1.3 branch.

Discussion
----------

updated the docs to show how to restrict a firewall by more than just the URL

closes #1171 and #1044

Commits
-------

721043c2 updated the docs to show how to restrict a firewall by more than just the URL

bug #1205 Use shared RouteCollection among nested routes and apply prefix to route... (srsbiz, fabpot)

This PR was merged into the 1.3 branch.

Discussion
----------

Use shared RouteCollection among nested routes and apply prefix to route...

Replaces #1107, fixes #1106

Commits
-------

b510e5a0 moved logic to an internal method
401674e9 simplified previous merge
091240ea Use shared RouteCollection among nested routes and apply prefix to route path before generating unique route name

Use shared RouteCollection among nested routes and apply prefix to route path before generating unique route name

Fixes #1106

This PR was squashed before being merged into the 1.3 branch (closes #1185).

Discussion
----------

Changed the proposed nginx configuration to mimic Symfony's one

The proposed configuration solves [this 404 error issue](https://github.com/silexphp/Silex-Skeleton/issues/24) when trying to load the web profiler under nginx.

Commits
-------

7e8157f9 Changed the proposed nginx configuration to mimic Symfony's one

This PR was submitted for the master branch but it was merged into the 1.3 branch instead (closes #916).

Discussion
----------

Support optional session invalidation on logout

Avoid session destroying on logout by adding "invalidate_session: false" in your configuration e.g.

$app['security.firewalls'] = array(
[...]
        'logout' => array(
            'logout_path' => '/user/logout',
            'target_url' => '/logout',
            'invalidate_session' => false
        ),
[...]
);

Commits
-------

1a55ff82 Support optional session invalidation on logout

This PR was merged into the 1.3 branch.

Discussion
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PHPDocs Application -> HttpKernelInterface

replacement of https://github.com/silexphp/Silex/pull/1193
(could not reopen that one because of a forced push)

Commits
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b960bad3 PHPDocs Application -> HttpKernelInterface

This PR was merged into the 1.3 branch.

Discussion
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Very little typo fix.

Commits
-------

83736136 Very little typo fix.

This PR was submitted for the master branch but it was merged into the 1.3 branch instead (closes #1189).

Discussion
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Test against php7

Test against the upcomming change.

Commits
-------

14e1f613 Test against php7

This PR was merged into the 1.3 branch.

Discussion
----------

add changelog to readme

Commits
-------

b0211b2b Update README.rst