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 list of libraries.
	 */
	public List getLibraries( )
	{
		return getLibraries( IModuleNameSpace.DIRECTLY_INCLUDED_LEVEL );
	}
	/**
	 * Inserts the library to the given position.
	 * 
	 * @param library
	 *            the library to insert
	 * @param posn
	 *            at which the given library is inserted.
	 */
	public void insertLibrary( Library library, int posn )
	{
		if ( libraries == null )
			libraries = new ArrayList( );
		
		assert posn >= 0 && posn <= libraries.size( );
		libraries.add( posn, library );
	}
	/**
	 * Adds the given libray to library list.
	 * 
	 * @param library
	 *            the library to insert
	 */
	public void addLibrary( Library library )
	{