fix deprecations: getName -> getBlockPrefix in forms

Form/AccompanyingPeriodType.php

@@ -84,7 +84,7 @@ class AccompanyingPeriodType extends AbstractType
     /**
      * @return string
      */
-    public function getName()
+    public function getBlockPrefix()
     {
         return 'chill_personbundle_accompanyingperiod';
     }

Form/CreationPersonType.php

@@ -36,7 +36,7 @@ use Chill\PersonBundle\Form\CreationPersonType;
 class CreationPersonType extends AbstractType
 {
 
-    const NAME = CreationPersonType::class;
+    const NAME = 'chill_personbundle_person_creation';
 
     const FORM_NOT_REVIEWED = 'not_reviewed';
     const FORM_REVIEWED = 'reviewed' ;
@@ -128,7 +128,7 @@ class CreationPersonType extends AbstractType
     /**
      * @return string
      */
-    public function getName()
+    public function getBlockPrefix()
     {
         return self::NAME;
     }

Form/Type/ClosingMotiveType.php

@@ -1,4 +1,4 @@
-<?php
+public function getBlockPrefix<?php
 
 namespace Chill\PersonBundle\Form\Type;
 
@@ -25,7 +25,7 @@ class ClosingMotiveType extends AbstractType
         }
     }
 
-    public function getName()
+    public function getBlockPrefix()
     {
         return 'closing_motive';
     }