Merge branch '5.1' into 5.2

* 5.1:
  [HttpFoundation] Removed obsolete test.
  [HttpFoundation] Fix TypeError: Argument 1 passed to JsonResponse::setJson() must be of the type string, object given
  [Security][Validator] Add missing Portuguese translations
  Add Croatian (hr) translations

Author: derrabus

Resources/translations/security.hr.xlf

@@ -62,6 +62,14 @@
                 <source>Account is locked.</source>
                 <target>Račun je zaključan.</target>
             </trans-unit>
+            <trans-unit id="17">
+                <source>Too many failed login attempts, please try again later.</source>
+                <target>Previše neuspjelih pokušaja prijave, molim pokušajte ponovo kasnije.</target>
+            </trans-unit>
+            <trans-unit id="18">
+                <source>Invalid or expired login link.</source>
+                <target>Link za prijavu je isteako ili je neispravan.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/security.pt.xlf

@@ -62,6 +62,14 @@
                 <source>Account is locked.</source>
                 <target>A conta está trancada.</target>
             </trans-unit>
+            <trans-unit id="17">
+                <source>Too many failed login attempts, please try again later.</source>
+                <target>Várias tentativas de login falhadas, por favor tente mais tarde.</target>
+            </trans-unit>
+            <trans-unit id="18">
+                <source>Invalid or expired login link.</source>
+                <target>Ligação de login inválida ou expirada.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>