merged branch igorw/psr-log-typehint (PR #741)

This PR was squashed before being merged into the master branch (closes #741).

Discussion
----------

Change the ControllerResolver type hint to Psr\\Log\\LoggerInterface

This allows it to work with any logger, in particular, it un-breaks the case where the monolog bridge is not installed.

See also 817240e4. This should resolve #740.

Commits
-------

b85d610d Change the ControllerResolver type hint to Psr\Log\LoggerInterface

doc/changelog.rst

@@ -4,6 +4,8 @@ Changelog
 1.1.0 (2013-XX-XX)
 ------------------
 
+* Support for any ``Psr\Log\LoggerInterface`` as opposed to the monolog-bridge
+  one.
 * Made dispatcher proxy methods ``on``, ``before``, ``after`` and ``error``
   lazy, so that they will not instantiate the dispatcher early.
 * Dropped support for 2.1 and 2.2 versions of symfony.

doc/services.rst

@@ -225,12 +225,12 @@ don't want to mess with most of them.
   does not return a Response. Disable it with
   ``$app['exception_handler']->disable()``.
 
-* **logger**: A
-  `LoggerInterface
-  <http://api.symfony.com/master/Symfony/Component/HttpKernel/Log/LoggerInterface.html>`_
-  instance. By default, logging is disabled as the value is set to ``null``.
-  When the Symfony2 Monolog bridge is installed, Monolog is automatically used
-  as the default logger.
+* **logger**: A ``Psr\Log\LoggerInterface`` instance. By default, logging is
+  disabled as the value is set to ``null``. When the Symfony2 Monolog bridge is
+  installed, Monolog is automatically used as the default logger.
+
+  In versions of Silex before 1.1 this must be a
+  ``Symfony\Component\HttpKernel\Log\LoggerInterface``.
 
 .. note::
 

src/Silex/ControllerResolver.php

@@ -11,8 +11,8 @@
 
 namespace Silex;
 
+use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpKernel\Controller\ControllerResolver as BaseControllerResolver;
-use Symfony\Component\HttpKernel\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
 
 /**