Bug 55827 [Contributions] Need to remove refs to Platform.getDebugOption from JFace
build I20040323 Standalone JFace applications are currently broken due to several refs to Platform.getDebugOption in JFace, which is only available if Eclipse is running. Should have static flags for the various debug options in JFace, and initialize them from the Workbench.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/Dialog.java
* </p>
	 * <p>
	 * The returned control's layout data must be an instance of 
	 * <code>GridData</code>.
	 * </p>
	 * 
	 * @param parent the parent composite to contain the button bar
	 * @return the button bar control
	 */
	protected Control createButtonBar(Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);
		
		GridLayout layout = new GridLayout();
		layout.numColumns = 0; 
		layout.makeColumnsEqualWidth = true;
		layout.marginWidth =
			convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
		layout.marginHeight =
			convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
		layout.horizontalSpacing =
			convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
		layout.verticalSpacing =
			convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
		composite.setLayout(layout);
		GridData data =
			new GridData(
				GridData.HORIZONTAL_ALIGN_END | GridData.VERTICAL_ALIGN_CENTER);
		composite.setLayoutData(data);
		composite.setFont(parent.getFont());