Bug 76671 [BIDI] need a commmand line option for orientation
After consulation with Nick we have decided that we will add a command line option -orientation with one of two parameters = rtl or ltr. These values will override the implied values in IDEWorkbenchAdapter
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
private static final String ACTION_BUILDER = "ActionBuilder"; 
    private static final String WELCOME_EDITOR_ID = "org.eclipse.ui.internal.ide.dialogs.WelcomeEditor"; 
    private static final String WORKBENCH_PREFERENCE_CATEGORY_ID = "org.eclipse.ui.preferencePages.Workbench"; 
    /**
     * The dialog setting key to access the known installed features
     * since the last time the workbench was run.
     */
    private static final String INSTALLED_FEATURES = "installedFeatures"; 
    private static IDEWorkbenchAdvisor workbenchAdvisor = null;
    /**
     * Event loop exception handler for the advisor.
     */
    private IDEExceptionHandler exceptionHandler = null;
    /**
     * Contains the workspace location if the -showlocation command line
     * argument is specified, or <code>null</code> if not specified.
     */
    private String workspaceLocation = null;
    /**