Bug 129812 [Markers] Enabling problem categorization per default
Build 3.2M5 Recent progress on problem categorization should be made more proeminent by enabling categorization by default. Similar to search view doing hierarchical presentation by default nowadays.
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
	 *