Bug 208055 [Markers] Need a sorting method for the markers view
As there is currently no accessible way to change sort order or direction. A menu should be enough.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerContentGenerator.java
}
	/**
	 * Set the category group
	 * 
	 * @param group
	 */
	void setCategoryGroup(MarkerGroup group) {
		this.categoryGroup = group;
		comparator = null;
	}
	/**
	 * Set the filters for the receiver.
	 * 
	 * @param newFilters
	 */
	public void setFilters(Collection newFilters) {
		filters = newFilters;
		enabledFilters = null;
		XMLMemento memento = XMLMemento.createWriteRoot(TAG_FILTERS_SECTION);
		writeFiltersSettings(memento);
		StringWriter writer = new StringWriter();
		try {
			memento.save(writer);
		} catch (IOException e) {
			IDEWorkbenchPlugin.getDefault().getLog().log(Util.errorStatus(e));
		}
		IDEWorkbenchPlugin.getDefault().getPreferenceStore().putValue(
				getMementoPreferenceName(), writer.toString());
		IDEWorkbenchPlugin.getDefault().savePluginPreferences();
	}