QmlDesigner.PropertyEditor: adding ColumnSpecifics

Change-Id: Ia5f0ae7b3a9d34e3e9e0d9df01dbc2f74887b0d1
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qmldesigner/propertyEditorQmlSources/QtQuick/ColumnSpecifics.qml

+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+import QtQuick 2.1
+import HelperWidgets 2.0
+import QtQuick.Layouts 1.0
+
+Column {
+    anchors.left: parent.left
+    anchors.right: parent.right
+
+    Section {
+        anchors.left: parent.left
+        anchors.right: parent.right
+        caption: qsTr("Column")
+
+        Label {
+            text: qsTr("Spacing")
+        }
+
+        SecondColumnLayout {
+            SpinBox {
+                backendValue: backendValues.spacing
+                minimumValue: 0
+                maximumValue: 2000
+                decimals: 0
+            }
+
+            ExpandingSpacer {
+            }
+        }
+    }
+}
+