Bug 136241 [regression]Preview template in web viewer and pdf didn't get correct effect.
Description: Preview template items in web viewer and pdf didn't get correct effect. Steps to reproduce: 1. Create template items. 2. Preview in Web Viewer and pdf. Expected result: Same effect as in html. Actual result: In web viewer, see only blank box. In pdf, blank page.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
* 
	 * @return the module file name. Returns null if the module has not yet been
	 *         saved to a file.
	 */
	public String getFileName( )
	{
		return fileName;
	}
	/**
	 * Sets the module file name. This method is only called by module reader,
	 * it's illegal to be called for other purpose.
	 * 
	 * @param newName
	 *            the new file name. It may contain relative/absolute path
	 *            information. But this name must include the file name with the
	 *            filename extension.
	 */
	public void setFileName( String newName )
	{
		fileName = newName;
	}
	/**
	 * Sets the UTF signature of this module file.
	 * 
	 * @param signature
	 *            the UTF signature of the module file.
	 */
	public void setUTFSignature( String signature )
	{
		this.signature = signature;