Bug 197228 Need updaet createdBy info when serialize the module
When open module, designer will pass the property map which contains the createdBy info. this info should be retained by moduleHandle and then be updated and written when doing serialization. Note if this info is null, model should not update it during serialization. This could happen for api users or third-party designer. For BIRT designer, it will guarantee this value always not null.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
public void setOptions( ModuleOption options )
	{
		this.options = options;
	}
	/**
	 * Sets the resource folder for this session.
	 * 
	 * @param resourceFolder
	 *            the folder to set
	 */
	public void setResourceFolder( String resourceFolder )
	{
		if ( options == null )
			options = new ModuleOption( );
		options.setResourceFolder( resourceFolder );
	}
	/**
	 * Gets the resource folder set in this session.
	 * 
	 * @return the resource folder set in this session
	 */
	public String getResourceFolder( )
	{
		ModuleOption effectOptions = getOptions( );
		if ( effectOptions == null )
			return null;
		return effectOptions.getResourceFolder( );
	}
	/**
	 * Sets the module is read-only one. That means any operation on it will