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
/**
	 * Check whether the request is to get reportlet.
	 * 
	 * @param request
	 *            http request
	 * @return is get reportlet or not
	 */
	public static boolean isGetReportlet( HttpServletRequest request )
	{
		String reprotLetId = getParameter( request, PARAM_REPORTLETID );
		return reprotLetId != null && reprotLetId.length( ) > 0;
	}
	/**
	 * Check whether the viewer allows master page content or not.
	 * 
	 * @param request
	 * @return
	 */
	public static boolean isMasterPageContent( HttpServletRequest request )
	{
		boolean isMasterPageContent = true;
		if ( "false".equalsIgnoreCase( getParameter( request, PARAM_MASTERPAGE ) ) ) 
		{
			isMasterPageContent = false;
		}
		return isMasterPageContent;
	}
	/**
	 * Check whether report design will overwrite report doc or not.
	 *