Bug 145724 Change version after auto convert
By the request of 136536, user get warning message to confirm the auto convert. If user select yes, the file convert to newest format, but the version is still old. If user open this file again, he'll get the warning message even the file converted.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
/**
	 * Returns the name of the tool that created the design.
	 * 
	 * @return the name of the tool
	 */
	public String getCreatedBy( )
	{
		return getStringProperty( CREATED_BY_PROP );
	}
	/**
	 * Returns a slot handle to work with the data sets within the report. Note
	 * that the order of the data sets within the slot is unimportant.
	 * 
	 * @return A handle for working with the data sets.
	 */
	public SlotHandle getDataSets( )
	{
		return getSlot( DATA_SET_SLOT );
	}
	/**
	 * Returns a slot handle to work with the data sources within the report.
	 * Note that the order of the data sources within the slot is unimportant.
	 * 
	 * @return A handle for working with the data sources.
	 */
	public SlotHandle getDataSources( )
	{
		return getSlot( DATA_SOURCE_SLOT );
	}
	/**