added fluent interface to validatorbuilder

src/Symfony/Component/Validator/ValidatorBuilder.php

@@ -81,6 +81,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
     public function addObjectInitializer(ObjectInitializerInterface $initializer)
     {
         $this->initializers[] = $initializer;
+
+        return $this;
     }
 
     /**
@@ -89,6 +91,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
     public function addObjectInitializers(array $initializers)
     {
         $this->initializers = array_merge($this->initializers, $initializers);
+
+        return $this;
     }
 
     /**
@@ -101,6 +105,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->xmlMappings[] = $path;
+
+        return $this;
     }
 
     /**
@@ -113,6 +119,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->xmlMappings = array_merge($this->xmlMappings, $paths);
+
+        return $this;
     }
 
     /**
@@ -125,6 +133,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->yamlMappings[] = $path;
+
+        return $this;
     }
 
     /**
@@ -137,6 +147,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->yamlMappings = array_merge($this->yamlMappings, $paths);
+
+        return $this;
     }
 
     /**
@@ -149,6 +161,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->methodMappings[] = $methodName;
+
+        return $this;
     }
 
     /**
@@ -161,6 +175,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->methodMappings = array_merge($this->methodMappings, $methodNames);
+
+        return $this;
     }
 
     /**
@@ -181,6 +197,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->annotationReader = $annotationReader;
+
+        return $this;
     }
 
     /**
@@ -189,6 +207,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
     public function disableAnnotationMapping()
     {
         $this->annotationReader = null;
+
+        return $this;
     }
 
     /**
@@ -201,6 +221,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
 
         $this->metadataFactory = $metadataFactory;
+
+        return $this;
     }
 
     /**
@@ -213,6 +235,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
         }
         
         $this->metadataCache = $cache;
+
+        return $this;
     }
 
     /**
@@ -221,6 +245,8 @@ class ValidatorBuilder implements ValidatorBuilderInterface
     public function setConstraintValidatorFactory(ConstraintValidatorFactoryInterface $validatorFactory)
     {
         $this->validatorFactory = $validatorFactory;
+
+        return $this;
     }
 
     /**