This PR was squashed before being merged into the master branch (closes #685).

Discussion
----------

Bump upper bound for symfony/* from 2.2 to 2.3

Commits
-------

70eb564d Bump upper bound for symfony/* from 2.2 to 2.3

This PR was merged into the master branch.

Discussion
----------

Ported ConstraintValidatorFactory.php to Silex

Included a modified version of `ConstraintValidatorFactory` to Silex for use with custom constraints.

Since Silex comes with `ValidatorServiceProvider` built in, I guess it makes sense to include this, in case users might want dependencies with their custom validators.

Usage would be:

```php
// Custom.php
public function validatedBy()
{
    return 'my.validator.custom';
}

// index.php
$app['validator.custom'] = $app->share(function ($app) {
    return new CustomValidator();
});
$app->register(new ValidatorServiceProvider(), array(
    'validator.validator_service_ids' => array(
        'my.validator.custom' => 'validator.custom'
    )
));
```

Commits
-------

c4466a18 Changed constructor type hint to Pimple
fd72c6ab Incorporated changes suggested by @Igorow. Separating $this->validators (instances) and $this->serviceNames.
fa15389b Separating validator service names and instances
0c3234d2 Minor refactoring
83266af9 Changed mapping of 'validator.validator_service_ids' to use ternary operator
278c5e01 Backward compatibility for UserPasswordValidator
40734452 Changed deprecated namespaces
4d8956f3 Added custom constraint and validator to properly test the ConstraintValidatorFactory.
b45b4fb2 SecurityServiceProvider now registers a UserPasswordValidator if ValidatorServiceProvider is registered.
70c1e365 Registering a ValidatorServiceProvider can take a validator.validator_service_ids parameter which is now an associative array of aliases as keys and service names as values so that ConstraintValidatorFactory can lazy load the validators.
77af56be Removed Symfony\Component\Validator\ConstraintValidatorFactory altogether from ValidatorServiceProvider. Custom validators are now lazy loaded. removed obsolete test.
423138aa - Type hint in Silex\ConstraintValidatorFactory constructor for container - Modifed Silex\Provider\ValidatorServiceProvider to accept an optional   'validator.validator_service_ids' parameter wich allows users to register   custom validators. - Added test to verify that if users registered ValidatorServiceProvider   using optional 'validator.validator_service_ids' parameter then the new   Silex\ConstraintValidatorFactory will be used instead of the one provided   in  Symfony.
eaf0af2a Ported ConstraintValidatorFactory.php to Silex/Pimple

This PR was merged into the master branch.

Discussion
----------

Suggest using QSA in apache config to get access to query parameters

A user had hard time finding why OAuth was not working on its Silex application (see https://github.com/GromNaN/FacebookServiceProvider/issues/1#issuecomment-16845793)

For the Apache doc: http://httpd.apache.org/docs/current/rewrite/flags.html#flag_qsa

Commits
-------

1cbb20e1 Suggest using QSA in apache config to get access to query parameters

Incorporated changes suggested by @Igorow. Separating $this->validators (instances) and $this->serviceNames.

This PR was merged into the master branch.

Discussion
----------

Fix JSON parse error in Twig docs

Commits
-------

a7efc8f4 Fix JSON parse error in Twig docs

This PR was merged into the master branch.

Discussion
----------

Only register one of each authentication provider

Fixes #655

Commits
-------

657bf5f6 Only register one of each authentication provider

Fixes #655

This PR was merged into the master branch.

Discussion
----------

added exception in the Monolog context when appropriate (closes #613, closes #614)

Added support for PSR-3 logging and the special exception key.

Commits
-------

973ee703 added exception in the Monolog context when appropriate (closes #613, closes #614)

This PR was merged into the master branch.

Discussion
----------

fixed use statement

fixes bolt/bolt#322

and addresses #663

Commits
-------

081a05b2 use request context from silex

This PR was merged into the master branch.

Discussion
----------

Multiple Monolog Loggers Cookbook

First Draft, comments appreciated. I tried to make it more of a cookbook than just the example in #567

Commits
-------

3247b740 Clarify the described convention
71312015 Use statements
08669b72 Typos
2153e86d Multiple Monolog Loggers Cookbook

This PR was squashed before being merged into the master branch (closes #648).

Discussion
----------

Added support for URL host from Routing Component

Hi everyone,

Firstly, I wanted to thank you all for Silex. It's fabulous.

I needed URL host support in Silex to manage different subdomains of my small application and came up with an idea of introducing `->host($host)` chained method to `Silex\Route` class. This way users can apply host resolution to controllers in Silex.

This PR includes above functionality + one unit test to check if everything works as expected.

URL host support is of course available in Routing Component from version `>=2.2`, but Silex relies on 2.2 anyway.

Example:
```php
<?php

// ...

$app->match('/', function() {
    // app-specific action
})->host('example.com');

$app->match('/', function ($user) {
    // user-specific action
})->host('{user}.example.com');

// ...
```

I am open for comments.

Commits
-------

f0124c7f Added support for URL host from Routing Component

This PR was merged into the master branch.

Discussion
----------

note that `mod_rewrite` needs to be enabled

If `mod_rewrite` isn't enabled - like in default Apache installs and WAMP - it will result in 404's. I had this issue with the hello world zip distribution (SO question: http://stackoverflow.com/questions/15498419/why-am-i-getting-these-silex-404s) and it was quite difficult to track down. Almost made me give up on Silex, although this is of course not a Silex issue - but it can be challenging for beginners, and if you can't get the hello world to run it kinda takes the wind out of your sails.

Commits
-------

091b99cb note that `mod_rewrite` needs to be enabled

This PR was merged into the master branch.

Discussion
----------

Add example of JsonUserPersister being managed

Reintroducing the example used at the beginning will make things clearer, I think.

Commits
-------

96574213 Add example of JsonUserPersister being managed

This PR was merged into the master branch.

Discussion
----------

fixed request dependency on the URL matcher

Alternative fix for #662

Commits
-------

5dc7c27f fixed request dependency on the URL matcher

This PR was merged into the master branch.

Discussion
----------

Change visibility of `providers` and `booted` to protected

This changes `$providers` and `$booted` in `Application` to protected, which makes it easier to extend.

Commits
-------

e6902d10 Change visibility of `providers` and `booted` to protected

This PR was squashed before being merged into the master branch (closes #623).

Discussion
----------

Include querystring parameters when issuing a redirect from RedirectableUrlMatcher

When a route has a scheme requirement (HTTP or HTTPS) and the current request's scheme does not match it, it issues a redirect to the required scheme. Prior to this change, the new URL being redirected to left off the querystring parameters.

It would be cleaner to set the QUERY_STRING parameter as part of RequestContext->fromRequest() but that's part of the Symfony core. Including it inside the $this['url_matcher'] closure keeps the change localized to Silex.

Commits
-------

09034777 Include querystring parameters when issuing a redirect from RedirectableUrlMatcher

If `mod_rewrite` isn't enabled - like in default Apache installs and WAMP - it will result in 404's. I had this issue with the hello world zip distribution (SQ question: http://stackoverflow.com/questions/15498419/why-am-i-getting-these-silex-404s) and it was quite difficult to track down. Almost made me give up on Silex, although this is of course not a Silex issue - but it can be challenging for beginners, and if you can't get the hello world to run it kinda takes the wind out of your sails.

SecurityServiceProvider now registers a UserPasswordValidator if ValidatorServiceProvider is registered.