Bug 17295 Formating pref page: remove the icons in the tabs
The icons add minimal value and we should remove them.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CodeFormatterPreferencePage.java
/*
	 * @see PreferencePage#performDefaults()
	 */
	protected void performDefaults() {
		fWorkingValues= JavaCore.getDefaultOptions();
		updateControls();
		super.performDefaults();
	}
	private String loadPreviewFile(String filename) {
		String separator= System.getProperty("line.separator"); 
		StringBuffer btxt= new StringBuffer(512);
		BufferedReader rin= null;
		try {
			rin= new BufferedReader(new InputStreamReader(getClass().getResourceAsStream(filename)));
			String line;
			while ((line= rin.readLine()) != null) {
				btxt.append(line);
				btxt.append(separator);
			}
		} catch (IOException io) {
			JavaPlugin.log(io);
		} finally {
			if (rin != null) {
				try { rin.close(); } catch (IOException e) {}
			}
		}
		return btxt.toString();
	}
	private void updatePreview() {