Bug 127629 [Markers] problems view: keep selection stable
I20050214-0010 1. Select a grouping (e.g. Java problem type) and select a marker inside 2. Switch to another grouping Selection is gone. Same when - changing filter - a build adds new marker (in a different file)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
* Returns the marker limit or -1 if unlimited
	 * 
	 * @return int
	 */
	int getMarkerLimit() {
		
		if (IDEWorkbenchPlugin.getDefault().getPreferenceStore().getBoolean(
				getMarkerEnablementPreferenceName())) {
			return IDEWorkbenchPlugin.getDefault().getPreferenceStore().getInt(
					getMarkerLimitPreferenceName());
		}
		return -1;
	}
	/**
	 * Get the name of the marker limit preference.
	 * 
	 * @return String
	 */
	abstract String getMarkerEnablementPreferenceName();
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#createViewerInput()
	 */
	Object createViewerInput() {
		return adapter;
	}
	/**
	 * Return the TableSorter
	 *