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
/**
	 * Format parameter constants to display the report in pdf.
	 */
	public static final String PARAM_FORMAT_PDF = "pdf"; 
	/**
	 * URL parameter name that gives the locale.
	 */
	public static final String PARAM_LOCALE = "__locale"; 
	/**
	 * URL parameter name that determins to support the SVG or not.
	 */
	public static final String PARAM_SVG = "__svg"; 
	/**
	 * URL parameter name that gives the page number to display the report.
	 */
	public static final String PARAM_PAGE = "__page"; 
	/**
	 * URL parameter name that gives the report design name.
	 */
	public static final String PARAM_ISNULL = "__isnull"; 
	/**
	 * URL parameter name that determines to support masterpage or not.
	 */
	public static final String PARAM_MASTERPAGE = "__masterpage"; 
	/**
	 * URL parameter name that determines whether the BIRT application is
	 * running in the designer or standalone.
	 */
	public static final String PARAM_DESIGNER = "__designer"; 
	/**