Bug 291755 [Filters] Filters implementation and API cleanup
This bug is raised to track reviewing and cleanup of filters API and implementation.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceFilterGroup.java
static String ID = "id"; 
	static String TARGET = "target"; 
	static String MODE = "mode"; 
	static String ARGUMENTS = "arguments"; 
	static String INHERITABLE = "inheritable"; 
	static String[] columnNames = new String[] { MODE, ARGUMENTS, INHERITABLE };
	static String[] getModes() {
		return new String[] {
				NLS.bind(IDEWorkbenchMessages.ResourceFilterPage_includeOnly,