Change composer dependencies to be compatible with PHP 5.3

composer.json

@@ -14,7 +14,7 @@
         "discard-changes": true
     },
     "require" : {
-        "php" : ">=5.3",
+        "php" : ">=5.3.3",
         "ext-gd" : "*",
         "ext-mbstring" : "*",
         "ext-hash" : "*",
@@ -50,7 +50,8 @@
         ]
     },
     "require-dev" : {
+        "symfony/yaml" : "2.1",
         "symfony/stopwatch" : "~2.6",
-        "phpunit/phpunit": "4.8.*"
+        "phpunit/phpunit" : "4.8.*"
     }
 }

composer.lock

@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "7dce69b83d7c6e14d2260e7b63352f8c",
-    "content-hash": "39143d0a5ad67dd0394826aa1845cad7",
+    "hash": "d9622d90bef6f3316b84a374fc73f1d0",
+    "content-hash": "593b137facd6a5d8fc4b8f4838b99ddb",
     "packages": [
         {
             "name": "christian-riesen/base32",
@@ -1813,34 +1813,32 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.0.6",
+            "version": "v2.1.0",
+            "target-dir": "Symfony/Component/Yaml",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "0047c8366744a16de7516622c5b7355336afae96"
+                "reference": "f18e004fc975707bb4695df1dbbe9b0d8c8b7715"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/0047c8366744a16de7516622c5b7355336afae96",
-                "reference": "0047c8366744a16de7516622c5b7355336afae96",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/f18e004fc975707bb4695df1dbbe9b0d8c8b7715",
+                "reference": "f18e004fc975707bb4695df1dbbe9b0d8c8b7715",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": ">=5.3.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "2.1-dev"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Yaml\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
+                "psr-0": {
+                    "Symfony\\Component\\Yaml": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1848,17 +1846,17 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Symfony Community",
+                    "homepage": "http://symfony.com/contributors"
                 },
                 {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
                 }
             ],
             "description": "Symfony Yaml Component",
-            "homepage": "https://symfony.com",
-            "time": "2016-03-04 07:55:57"
+            "homepage": "http://symfony.com",
+            "time": "2012-08-22 13:48:41"
         }
     ],
     "aliases": [],
@@ -1871,7 +1869,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.3",
+        "php": ">=5.3.3",
         "ext-gd": "*",
         "ext-mbstring": "*",
         "ext-hash": "*",