Bug 155509 ModuleHandle findResource method does not support .properties files
There is no fileType for .properties files in IResourceLocator
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DefaultResourceLocator.java
*            the url to test
	 * @return true if the url indicates to a global resource, false otherwise.
	 */
	private boolean isGlobalResource( URL url )
	{
		if ( URIUtil.FTP_SCHEMA.equalsIgnoreCase( url.getProtocol( ) )
				|| URIUtil.HTTP_SCHEMA.equalsIgnoreCase( url.getProtocol( ) ) )
			return true;
		if ( url.getFile( ).toLowerCase( ).startsWith( URIUtil.FTP_SCHEMA )
				|| url.getFile( ).toLowerCase( ).startsWith(
						URIUtil.HTTP_SCHEMA ) )
			return true;
		return false;
	}
	/**
	 * Search local resources.
	 * 
	 * @param url
	 *            url of the resources.
	 * @return url of the resource if found, null otherwise.
	 */
	private URL tryLocalResourceSearch( URL url )
	{
		InputStream in = null;
		try
		{
			in = url.openStream( );
		}
		catch ( IOException e1 )
		{