Bug 114615 [Markers] No feedback for 'Completed' tasks
There's not longer any 'check box' indicator on the Tasks View so clients can't determine whether a task has been completed or not... This is a regression...
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/TaskView.java
* @see org.eclipse.ui.views.markers.internal.MarkerView#getMarkerTypes()
	 */
	protected String[] getMarkerTypes() {
		return new String[] { IMarker.TASK };
	}
	protected String getStaticContextId() {
		return PlatformUI.PLUGIN_ID + ".task_list_view_context"; 
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.MarkerView#createFiltersDialog()
	 */
	protected DialogMarkerFilter createFiltersDialog() {
		MarkerFilter[] filters = getUserFilters();
		TaskFilter[] taskFilters = new TaskFilter[filters.length];
		System.arraycopy(filters, 0, taskFilters, 0, filters.length);
		return new DialogTaskFilter(getSite().getShell(), taskFilters);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.MarkerView#createFilter(java.lang.String)
	 */
	protected MarkerFilter createFilter(String name) {
		return new TaskFilter(name);
	}
	/*
	 * (non-Javadoc)
	 *