react 16 upgrade

Issue-ID: SDC-1762
Change-Id: I7701f12fc63bb09f8c985c7c893b984701dcbfab
Signed-off-by: Einav Keidar <einavw@amdocs.com>
diff --git a/openecomp-ui/src/nfvo-components/input/validation/ValidationButtons.jsx b/openecomp-ui/src/nfvo-components/input/validation/ValidationButtons.jsx
index 5509896..a439711 100644
--- a/openecomp-ui/src/nfvo-components/input/validation/ValidationButtons.jsx
+++ b/openecomp-ui/src/nfvo-components/input/validation/ValidationButtons.jsx
@@ -1,17 +1,17 @@
-/*!
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+/*
+ * Copyright © 2016-2018 European Support Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing
- * permissions and limitations under the License.
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 /**
  * Holds the buttons for save/reset for forms.
@@ -57,8 +57,12 @@
         ) : (
             <SVGIcon className="close" name="close" />
         );
+        let className = 'validation-buttons';
+        if (this.props.className) {
+            className += ' ' + this.props.className;
+        }
         return (
-            <div className="validation-buttons">
+            <div className={className}>
                 {!this.props.isReadOnlyMode ? (
                     <div>
                         <Button