feature symfony#72 Updated the demo application to Symfony 2.7 (javiereguiluz)

This PR was squashed before being merged into the master branch (closes symfony#72).

Discussion
----------

Updated the demo application to Symfony 2.7

This fixes symfony#71

Commits
-------

677e6a5 Updated the demo application to Symfony 2.7

Author: javiereguiluz

app/SymfonyRequirements.php

@@ -542,11 +542,22 @@ function_exists('simplexml_import_dom'),
 
         /* optional recommendations follow */
 
-        $this->addRecommendation(
-            file_get_contents(__FILE__) === file_get_contents(__DIR__.'/../vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Resources/skeleton/app/SymfonyRequirements.php'),
-            'Requirements file should be up-to-date',
-            'Your requirements file is outdated. Run composer install and re-check your configuration.'
-        );
+        if (file_exists(__DIR__.'/../vendor/composer')) {
+            require_once __DIR__.'/../vendor/autoload.php';
+
+            try {
+                $r = new \ReflectionClass('Sensio\Bundle\DistributionBundle\SensioDistributionBundle');
+
+                $contents = file_get_contents(dirname($r->getFileName()).'/Resources/skeleton/app/SymfonyRequirements.php');
+            } catch (\ReflectionException $e) {
+                $contents = '';
+            }
+            $this->addRecommendation(
+                file_get_contents(__FILE__) === $contents,
+                'Requirements file should be up-to-date',
+                'Your requirements file is outdated. Run composer install and re-check your configuration.'
+            );
+        }
 
         $this->addRecommendation(
             version_compare($installedPhpVersion, '5.3.4', '>='),
@@ -632,15 +643,15 @@ class_exists('Locale'),
             'Install and enable the <strong>intl</strong> extension (used for validators).'
         );
 
-        if (class_exists('Collator')) {
+        if (extension_loaded('intl')) {
+            // in some WAMP server installations, new Collator() returns null
             $this->addRecommendation(
                 null !== new Collator('fr_FR'),
                 'intl extension should be correctly configured',
                 'The intl extension does not behave properly. This problem is typical on PHP 5.3.X x64 WIN builds.'
             );
-        }
 
-        if (class_exists('Locale')) {
+            // check for compatible ICU versions (only done when you have the intl extension)
             if (defined('INTL_ICU_VERSION')) {
                 $version = INTL_ICU_VERSION;
             } else {
@@ -659,6 +670,14 @@ class_exists('Locale'),
                 'intl ICU version should be at least 4+',
                 'Upgrade your <strong>intl</strong> extension with a newer ICU version (4+).'
             );
+
+            $this->addPhpIniRecommendation(
+                'intl.error_level',
+                create_function('$cfgValue', 'return (int) $cfgValue === 0;'),
+                true,
+                'intl.error_level should be 0 in php.ini',
+                'Set "<strong>intl.error_level</strong>" to "<strong>0</strong>" in php.ini<a href="#phpini">*</a> to inhibit the messages when an error occurs in ICU functions.'
+            );
         }
 
         $accelerator =

composer.json

@@ -9,21 +9,21 @@
     "require": {
         "php"                                  : ">=5.3.3",
         "ext-pdo_sqlite"                       : "*",
-        "doctrine/doctrine-bundle"             : "~1.2",
+        "doctrine/doctrine-bundle"             : "~1.5",
         "doctrine/doctrine-fixtures-bundle"    : "~2.2",
-        "doctrine/orm"                         : "~2.2,>=2.2.3",
+        "doctrine/orm"                         : "~2.5",
         "erusev/parsedown"                     : "~1.5",
-        "incenteev/composer-parameter-handler" : "~2.0",
+        "incenteev/composer-parameter-handler" : "~2.1",
         "ircmaxell/password-compat"            : "~1.0",
-        "leafo/scssphp"                        : "~0.1.",
+        "leafo/scssphp"                        : "~0.1.5",
         "patchwork/jsqueeze"                   : "~1.0",
-        "sensio/distribution-bundle"           : "~3.0.12",
+        "sensio/distribution-bundle"           : "~3.0.28",
         "sensio/framework-extra-bundle"        : "~3.0",
-        "symfony/assetic-bundle"               : "~2.3",
-        "symfony/monolog-bundle"               : "~2.4",
+        "symfony/assetic-bundle"               : "~2.6",
+        "symfony/monolog-bundle"               : "~2.7",
         "symfony/swiftmailer-bundle"           : "~2.3",
-        "symfony/symfony"                      : "~2.6",
-        "twig/extensions"                      : "~1.0"
+        "symfony/symfony"                      : "~2.7",
+        "twig/extensions"                      : "~1.2"
     },
     "require-dev": {
         "sensio/generator-bundle": "~2.3"