Bug 32038 Use shared images for properties, tasks, bookmarks views
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/tasklist/TaskList.java
private Table table;
	private TableEditor tableEditor;
	private MenuManager contextMenu;
	private TaskSorter sorter;
	private CellEditor descriptionEditor;
	private TableViewer viewer;
	private TasksFilter filter = new TasksFilter();
	private IMemento memento;
	private boolean markerLimitExceeded;
	private Composite parent;
	private StackLayout stackLayout = new StackLayout();
	private Composite compositeMarkerLimitExceeded;
	private CellEditorActionHandler editorActionHandler;
	private TaskAction newTaskAction;
	private TaskAction copyTaskAction;
	private TaskAction pasteTaskAction;
	private TaskAction removeTaskAction;
	private TaskAction purgeCompletedAction;
	private TaskAction gotoTaskAction;
	private TaskAction selectAllAction;
	private ResolveMarkerAction resolveMarkerAction;
	private TaskAction filtersAction;
	private MarkCompletedAction markCompletedAction;
	private TaskAction propertiesAction;
	
	private Action sortByCategoryAction;
	private Action sortByCompletedAction;