Bug 130070 Created By is empty when new a report.
Description: Created By is empty when new a report. Steps to reproduce: 1. New a report and see Created By property. Result: It's empty.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
* 
	 * @return the libraries this report design includes directly.
	 */
	public List getLibraries( )
	{
		return getLibraries( IModuleNameSpace.ONE_LEVEL );
	}
	/**
	 * Returns the library handle with the given namespace.
	 * 
	 * @param namespace
	 *            the library namespace
	 * @return the library handle with the given namespace
	 */
	public LibraryHandle getLibrary( String namespace )
	{
		Module library = module.getLibraryWithNamespace( namespace,
				IModuleNameSpace.ONE_LEVEL );
		if ( library == null )
			return null;
		return (LibraryHandle) library.getHandle( library );
	}
	/**
	 * Shifts the library to new position. This method might affect the style
	 * reference, because the library order is changed.
	 * 
	 * @param library
	 *            the library to shift
	 * @param toPosn
	 *            the new position