ButtonGroup for HG2

Container object to manage radio or toggle buttons with the GUI Layout Toolbox - for 2014b onwards

The ButtonGroup controls require the GUI Layout Toolbox by Ben Tordoff and David
Sampson available at:
http://www.mathworks.com/matlabcentral/fileexchange/47982-gui-layout-toolbox
The controls in this submissionshould be placed in the +uix folder in the GUI Layout Toolbox or in another folder called +uix that resides under a folder on your path.
Example:
gFig = figure();
gVButtonsBox = uix.VButtonGroup('Parent',gFig, 'Spacing',10,...
'ButtonSize', [200 40], 'ButtonStyle','radio',...
'HorizontalAlignment','left', 'VerticalAlignment','middle');
gVButtonsBox.Buttons = {'Button 1','Button 2', 'Button 3'};
gVButtonsBox.SelectionChangeFcn = {@(gSource,eventdata) disp(gSource.SelectedObject.String)};