Bug 270120 [CommonNavigator] tracing .options file *not* put in kit
And also adding some more tracing to help debug bindings
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/extensions/Binding.java
Pattern pattern = (Pattern) itr.next();
			if (pattern.matcher(anExtensionId).matches()) {
				knownIds.put(anExtensionId, Boolean.FALSE);
				return false;
			}
		}
		knownIds.put(anExtensionId, Boolean.FALSE);
		return false;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.navigator.extensions.INavigatorViewerDescriptor#isRootExtension(java.lang.String)
	 */
	boolean isRootExtension(String anExtensionId) {
		if (rootPatterns.size() == 0) {
			return false;
		} 
		
		if (knownRootIds.containsKey(anExtensionId)) {
			
			return ((Boolean) knownRootIds.get(anExtensionId)).booleanValue();
		}
		Pattern pattern = null;
		for (Iterator itr = rootPatterns.iterator(); itr.hasNext();) {
			pattern = (Pattern) itr.next();
			if (pattern.matcher(anExtensionId).matches()) {
				knownRootIds.put(anExtensionId, Boolean.TRUE);
				return true;
			}