require only needed dependencies

composer.json

@@ -18,7 +18,14 @@
     "require": {
         "php"                           : ">=5.3.0",
         "pagerfanta/pagerfanta"         : "~1.0,>=1.0.1",
-        "symfony/symfony"               : "~2.3",
+        "symfony/config"                : "~2.3",
+        "symfony/dependency-injection"  : "~2.3",
+        "symfony/doctrine-bridge"       : "~2.3",
+        "symfony/event-dispatcher"      : "~2.3",
+        "symfony/form"                  : "~2.3",
+        "symfony/framework-bundle"      : "~2.3",
+        "symfony/http-foundation"       : "~2.3",
+        "symfony/http-kernel"           : "~2.3",
         "doctrine/orm"                  : "~2.3",
         "doctrine/doctrine-bundle"      : "~1.2",
         "twig/extensions"               : "~1.0",
@@ -28,7 +35,14 @@
     },
     "require-dev": {
         "phpunit/phpunit"                   : "~4.4",
-        "doctrine/doctrine-fixtures-bundle" : "~2.2"
+        "doctrine/doctrine-fixtures-bundle" : "~2.2",
+        "symfony/console"                   : "~2.3",
+        "symfony/dom-crawler"               : "~2.3",
+        "symfony/finder"                    : "~2.3",
+        "symfony/security-bundle"           : "~2.3",
+        "symfony/twig-bundle"               : "~2.3",
+        "symfony/validator"                 : "~2.3",
+        "symfony/yaml"                      : "~2.3"
     },
     "autoload": {
         "psr-4": { "JavierEguiluz\\Bundle\\EasyAdminBundle\\": "" }