Bug 228760 [Markers] Column orientation not stored when markers views are closed
If we re-order view columns by drag and drop or add/remove them using the preferences the values we ended up with are not restored on restart.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CachedMarkerBuilder.java
* Get the name of the filters preference for the receiver,
	 * 
	 * @return String
	 */
	private String getLegacyFiltersPreferenceName() {
		if (viewId.equals(IPageLayout.ID_BOOKMARKS))
			return IDEInternalPreferences.BOOKMARKS_FILTERS;
		if (viewId.equals(IPageLayout.ID_TASK_LIST))
			return IDEInternalPreferences.TASKS_FILTERS;
		return IDEInternalPreferences.PROBLEMS_FILTERS;
	}
	/**
	 * Get the counts of errors,warnings and others in that order.
	 * 
	 * @return Integer[]
	 */
	Integer[] getMarkerCounts() {
		if (currentMap == null)
			return EMPTY_MARKER_COUNTS;
		return currentMap.getMarkerCounts();
	}
	/**
	 * Get the raw list of marker entries.
	 * 
	 * @return list of MarkerEntry
	 */
	MarkerEntry[] getMarkerEntries() {
		if (refreshingMarkers())
			return EMPTY_ENTRY_ARRAY;
		return currentMap.toArray();