Bug 11546 Progress bar gets cleared during project creation
IMPORTANT: Start a new empty workspace Start to create a Java project Enter "JUnit" as name Press "Finish" ==> Progress bar goes to right, then gets cleared and user has to wait without knowing what's going to happen.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/NewProjectCreationWizardPage.java
* Constructor for ProjectWizardPage.
	 */
	public NewProjectCreationWizardPage(WizardNewProjectCreationPage mainPage) {
		super();
		fMainPage= mainPage;
		fCurrProjectLocation= fMainPage.getLocationPath();
		fProjectCreated= false;
	}
	
	private boolean canDetectExistingClassPath(IPath projLocation) {
		return projLocation.toFile().exists() && !Platform.getLocation().equals(projLocation);
	}
	
	private void update() {
		IPath projLocation= fMainPage.getLocationPath();
		if (!projLocation.equals(fCurrProjectLocation) && canDetectExistingClassPath(projLocation)) {
			String title= NewWizardMessages.getString("NewProjectCreationWizardPage.EarlyCreationDialog.title"); 
			String description= NewWizardMessages.getString("NewProjectCreationWizardPage.EarlyCreationDialog.description"); 
			if (MessageDialog.openQuestion(getShell(), title, description)) {
				createAndDetect();
			}
		}
					
		fCurrProjectLocation= projLocation;
				
		IJavaProject prevProject= getJavaProject();
		IProject currProject= fMainPage.getProjectHandle();
		if ((prevProject == null) || !currProject.equals(prevProject.getProject())) {
			init(JavaCore.create(currProject), null, null, false);
		}