[DebugBundle] Added min_depth to Configuration

This enables calling the recently-added setMinDepth function on
VarCloner.

src/Symfony/Bundle/DebugBundle/DependencyInjection/Configuration.php

@@ -36,6 +36,11 @@ class Configuration implements ConfigurationInterface
                     ->min(-1)
                     ->defaultValue(2500)
                 ->end()
+                ->integerNode('min_depth')
+                    ->info('Minimum tree depth to clone all the items, 1 is default')
+                    ->min(0)
+                    ->defaultValue(1)
+                ->end()
                 ->integerNode('max_string_length')
                     ->info('Max length of displayed strings, -1 means no limit')
                     ->min(-1)

src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php

@@ -37,6 +37,7 @@ class DebugExtension extends Extension
 
         $container->getDefinition('var_dumper.cloner')
             ->addMethodCall('setMaxItems', array($config['max_items']))
+            ->addMethodCall('setMinDepth', array($config['min_depth']))
             ->addMethodCall('setMaxString', array($config['max_string_length']));
 
         if (null !== $config['dump_destination']) {

src/Symfony/Bundle/DebugBundle/Resources/config/schema/debug-1.0.xsd

@@ -8,6 +8,7 @@
 
     <xsd:complexType name="config">
         <xsd:attribute name="max-items" type="xsd:integer" />
+        <xsd:attribute name="min-depth" type="xsd:integer" />
         <xsd:attribute name="max-string-length" type="xsd:integer" />
         <xsd:attribute name="dump-destination" type="xsd:string" />
     </xsd:complexType>