Bug 176986 [Markers] Move tasks into the problems view
We should consider moving the tasks into the problem view as currently no one is using them in the tasks view. The main issue this could create is performance - problems change rapidly but tasks are generally pretty static and it may be a fair amount of extra time spent sorting them.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerSupportRegistry.java
} else {
					IDEWorkbenchPlugin.log(NLS.bind(
							"Reference to invalid markerGroupingEntry {0}",
							defaultEntryId));
				}
			}
			IConfigurationElement[] mappings = attributeGrouping.getElement()
					.getChildren(ATTRIBUTE_MAPPING);
			for (int i = 0; i < mappings.length; i++) {
				String entryId = mappings[i]
						.getAttribute(MARKER_GROUPING_ENTRY);
				if (entryIDsToEntries.containsKey(entryId)) {
					MarkerGroupingEntry entry = (MarkerGroupingEntry) entryIDsToEntries
							.get(entryId);
					entry.getMarkerGroup().mapAttribute(attributeGrouping,
							entry, mappings[i].getAttribute(VALUE));
				} else {
					IDEWorkbenchPlugin.log(NLS.bind(
							"Reference to invaild markerGroupingEntry {0}", 
							defaultEntryId));
				}
			}
		}
	}
	/**
	 * Get the markerTypes defined in element.
	 * 
	 * @param element
	 * @return String[]
	 */