Merge branch '2.8' into 3.4

* 2.8:
  [Intl] Update ICU data to 61.1
  [Validator] Add Japanese translation
  Support phpdbg SAPI in Debug::enable()
  [Ldap] cast to string when checking empty passwords
  [Validator] sync validator translation id
  no type errors with invalid submitted data types
  [FrameworkBundle] Partially revert HttpCache is not longer abstract (4d075da)
  [Finder] Fixed leading/trailing / in filename
  allow html5 compatible rendering of forms with null names
  Change datetime input to datetime-local

Author: fabpot

Resources/translations/validators.id.xlf

@@ -314,6 +314,10 @@
                 <source>This is not a valid Business Identifier Code (BIC).</source>
                 <target>Ini bukan Business Identifier Code (BIC) yang sah.</target>
             </trans-unit>
+            <trans-unit id="82">
+                <source>Error</source>
+                <target>Galat</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/validators.ja.xlf

@@ -314,6 +314,10 @@
                 <source>This is not a valid Business Identifier Code (BIC).</source>
                 <target>有効なSWIFTコードではありません。</target>
             </trans-unit>
+            <trans-unit id="82">
+                <source>Error</source>
+                <target>エラー</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>