Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ImportLibraryDialog.java
{
	private static final Image ERROR_ICON = ReportPlatformUIImages.getImage( ISharedImages.IMG_OBJS_ERROR_TSK );
	private static final String MSG_DIALOG_TITLE = Messages.getString( "ImportLibraryDialog.Title" ); 
	private static final String MSG_DIALOG_MESSAGE = Messages.getString( "ImportLibraryAction.Message" ); 
	private static final String MSG_DIALOG_NAMESPACE = Messages.getString( "ImportLibraryAction.Namespace" ); 
	private static final String MSG_DIALOG_ERROR_CANNOT_BE_EMPTY = Messages.getString( "ImportLibraryAction.Error.CannotBeEmpty" ); 
	private static final String MSG_DIALOG_ERROR_HAS_BEEN_USED = Messages.getString( "ImportLibraryAction.Error.HasBeenUsed" ); 
	private String namespace;
	private Text namespaceEditor;
	private CLabel messageLine;
	public ImportLibraryDialog( String namespace )
	{
		super( MSG_DIALOG_TITLE );
		this.namespace = namespace;