Fix PMD + other standard dialogs.

ui_swing/src/com/dmdirc/addons/ui_swing/dialogs/StandardInputDialog.java

 import com.dmdirc.addons.ui_swing.components.text.TextLabel;
 import com.dmdirc.addons.ui_swing.components.validating.ValidatingJTextField;
 import com.dmdirc.ui.IconManager;
-import com.dmdirc.util.validators.ValidationResponse;
+import com.dmdirc.util.validators.PermissiveValidator;
 import com.dmdirc.util.validators.Validator;
 
 import com.google.common.util.concurrent.Runnables;
             final String title, final String message,
             final Function<String, Boolean> save,
             final Runnable cancel) {
-        this(owner, modal, iconManager, title, message, ValidationResponse::new, save,
-                cancel);
+        this(owner, modal, iconManager, title, message, new PermissiveValidator<>(), save, cancel);
     }
 
     /**

ui_swing/src/com/dmdirc/addons/ui_swing/dialogs/profile/ProfileManagerController.java

                 (String oldName) -> new StandardInputDialog(dialog,
                         Dialog.ModalityType.DOCUMENT_MODAL, iconManager,
                         "Profile Manager: Edit Nickname", "Enter new nickname",
+                        model.getSelectedProfileEditNicknameValidator(),
                         (String newName) -> model.editSelectedProfileNickname(oldName, newName))
                         .display()));
     }
         addNickname.addActionListener(
                 e -> new StandardInputDialog(dialog, Dialog.ModalityType.DOCUMENT_MODAL,
                         iconManager, "Profile Manager: Add Nickname", "Enter nickname to add",
+                        model.getSelectedProfileAddNicknameValidator(),
                         model::addSelectedProfileNickname).display());
     }