Update changelog for Qt 5.2

Change-Id: If3e03b628906857985d0f5bd49e71fcd1aced0fa
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>

dist/changes-5.2.0

@@ -21,6 +21,43 @@ information about a particular change.
 
   - Improve support for Right To Left layout (RTL)
   - Add support for StandardKeys in Actions and MenuItem::shortcut
+  - Add text alignment property to SpinBox and SpinBoxStyle
+  - QML Base style: support transient scrollbars
+  - Enable TableView multi-row selection
+
+New Controls
+---------------
+  - Add a BusyIndicator control
+  - Add a Switch control
+
+****************************************************************************
+*                      Styles                                              *
+****************************************************************************
+
+  - Add styles: BusyIndicatorStyle, SwitchStyle and TextAreaStyle
+  - Expose styles: SpinBoxStyle, StatusBarStyle, ToolBarStyle
+  - More styling improvements for Base Style:
+     - Better scalability
+     - Retina support
+     - Added focus rects
+
+****************************************************************************
+*                     Layouts                                              *
+****************************************************************************
+
+  - Add baseline support for Qt Quick Layouts
+
+****************************************************************************
+*                     Platform Specific Changes                            *
+****************************************************************************
+
+  - Remove widgets dependency on touch platforms
+  - Enable flicking on touch based devices for ScrollView and TableView
+
+****************************************************************************
+*                     Plugins                                              *
+****************************************************************************
+
   - [QTBUG-31565] Make the deployment of Qt Quick Controls applications easier
     The QtQuickControls plugin now embeds its qml files and the Styles and
     Private submodules files using the resource system. While the qml and