Bug 63267 [RCP] tab style for M9
the tab style in the IDE in M9 should use the curved style
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
super();
		if (workbenchAdvisor != null) {
			throw new IllegalStateException();
		}
		workbenchAdvisor = this;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.application.WorkbenchAdvisor#initialize
	 */
	public void initialize(IWorkbenchConfigurer configurer) {
	    
	    IPreferenceStore uiStore = PlatformUI.getPreferenceStore();
        uiStore.setDefault(IWorkbenchPreferenceConstants.DOCK_PERSPECTIVE_BAR,
                IWorkbenchPreferenceConstants.TOP_RIGHT);
	    
	    configurer.setSaveAndRestore(true);
		
		exceptionHandler = new IDEExceptionHandler(configurer);
		
		
		WorkbenchAdapterBuilder.registerAdapters();
		
		String[] cmdLineArgs = Platform.getCommandLineArgs();
		 
		
		for (int i = 0; i < cmdLineArgs.length; i++) {
			if ("-showlocation".equalsIgnoreCase(cmdLineArgs[i])) { 
				workspaceLocation = Platform.getLocation().toOSString();
				break;
			}