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
* @throws SemanticException
	 *             if error is encountered when shifting
	 */
	public void shiftLibrary( LibraryHandle library, int toPosn )
			throws SemanticException
	{
		ShiftLibraryCommand command = new ShiftLibraryCommand( module );
		command.shiftLibrary( (Library) library.getElement( ), toPosn );
	}
	/**
	 * Returns whether this module is read-only.
	 * 
	 * @return true, if this module is read-only. Otherwise, return false.
	 */
	public boolean isReadOnly( )
	{
		return module.isReadOnly( );
	}
	/**
	 * Returns the iterator over all included libraries. Each one is the
	 * instance of <code>IncludeLibraryHandle</code>
	 * 
	 * @return the iterator over all included libraries.
	 * @see IncludedLibraryHandle
	 */
	public Iterator includeLibrariesIterator( )
	{
		PropertyHandle propHandle = getPropertyHandle( LIBRARIES_PROP );
		assert propHandle != null;
		return propHandle.iterator( );