minor lyrixx#53 Migration to silex 1.1 (Trismegiste)

This PR was squashed before being merged into the master branch (closes lyrixx#53).

Discussion
----------

Migration to silex 1.1

Hello,

I've migrated many components used in this edition, including Silex to 1.1 release.

PHPUnit are ok.

Hope this helps.

Commits
-------

fffa4e6 Migration to silex 1.1

composer.json

@@ -13,11 +13,11 @@
     ],
     "require": {
         "doctrine/dbal"         : "~2.3",
-        "kriswallsmith/assetic" : "~1.0.0",
+        "kriswallsmith/assetic" : "~1.1",
         "leafo/lessphp"         : "~0.4.0",
-        "mheap/silex-assetic"   : "~1.0.0",
-        "monolog/monolog"       : "~1.0",
-        "silex/silex"           : "~1.0.0",
+        "mheap/silex-assetic"   : "~1.0",
+        "monolog/monolog"       : "~1.6",
+        "silex/silex"           : "~1.1",
         "symfony/config"        : "~2.3",
         "symfony/console"       : "~2.3",
         "symfony/form"          : "~2.3",

src/controllers.php

@@ -112,8 +112,9 @@
         ->getForm()
     ;
 
-    if ($request->isMethod('POST')) {
-        if ($form->submit($request)->isValid()) {
+    $form->handleRequest($request);
+    if ($form->isSubmitted()) {
+        if ($form->isValid()) {
             $app['session']->getFlashBag()->add('success', 'The form is valid');
         } else {
             $form->addError(new FormError('This is a global error'));

tests/functional/ApplicationTest.php

@@ -79,7 +79,7 @@ public function testPageCache()
     public function testLoggingWithPsrInterface()
     {
         $msg = 'Check the logger';
-        $this->app['monolog']->error($msg);
+        $this->app['logger']->error($msg);
         $this->assertStringEndsWith("app.ERROR: $msg [] []\n", file_get_contents(__DIR__.'/../../resources/log/app.log'));
     }
 }