Bug 147727 UI incorrectly prevents overlapping project locations on disk
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/WizardNewProjectNameAndLocationPage.java
createProjectNameGroup(composite);
        createProjectLocationGroup(composite);
        validatePage();
        
        setErrorMessage(null);
        setMessage(null);
        setControl(composite);
    }
    /**
     * Creates the project location specification controls.
     *
     * @param parent the parent composite
     */
    private final void createProjectLocationGroup(Composite parent) {
        Font font = parent.getFont();
        
        Composite projectGroup = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.numColumns = 3;
        projectGroup.setLayout(layout);
        projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        projectGroup.setFont(font);
        
        Label projectContentsLabel = new Label(projectGroup, SWT.NONE);
        projectContentsLabel.setFont(font);
        projectContentsLabel
                .setText(IDEWorkbenchMessages.WizardNewProjectCreationPage_projectContentsLabel);
        GridData labelData = new GridData();
        labelData.horizontalSpan = 3;
        projectContentsLabel.setLayoutData(labelData);