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
* 
	 * @param resourceKey
	 *            resource key for the message.
	 * @return a list containing all the Translations defined for the message.
	 */
	public List getTranslations( String resourceKey )
	{
		return translations.getTranslations( resourceKey );
	}
	/**
	 * Returns a string array containing all the resource keys defined for
	 * messages.
	 * <p>
	 * 
	 * @return a string array containing all the resource keys defined for
	 *         messages return null if there is no messages stored.
	 */
	public String[] getTranslationResourceKeys( )
	{
		return translations.getResourceKeys( );
	}
	/**
	 * Finds user defined messages for the current thread's locale.
	 * 
	 * @param resourceKey
	 *            Resource key of the user defined message.
	 * @return the corresponding locale-dependent messages. Return
	 *         <code>""</code> if resoueceKey is blank or the message is not
	 *         found.
	 * @see #getMessage(String, Locale)