Bug 145491 [deployment]BIRT_VIEWER_LOCALE in web.xml doesn't work
Description: BIRT_VIEWER_LOCALE in web.xml doesn't work Steps to reproduce: 1. Deploy birt 2. Set ko_kr to BIRT_VIEWER_LOCALE inside web.xml file 3. Start application server and preview report. Expected result: The default locale for report should be ko_kr Actual result: The report still used en_us locale to display datetime data.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
* 
	 * @param request
	 *            http request
	 * @return report String
	 */
	public static String getLocaleString( HttpServletRequest request )
	{
		return getParameter( request, PARAM_LOCALE );
	}
	/**
	 * Get report page from Http request.
	 * 
	 * @param request
	 *            http request
	 * @return report locale
	 */
	public static int getPage( HttpServletRequest request )
	{
		int page = getParameterAsInt( request, PARAM_PAGE );
		return page <= 0 ? 1 : page; 
	}
	/**
	 * Get reportlet id from Http request.
	 * 
	 * @param request
	 *            http request
	 * @return reportlet id
	 */
	public static String getReportletId( HttpServletRequest request )
	{