Bug 152443 Support boolean type in data set
Support boolean type in data set. It'll cause some data transform issue with absence of boolean type.
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
}
		catch ( BirtException e )
		{
			try
			{
				
				return toDate( source, ULocale.getDefault( ) );
			}
			catch ( BirtException use )
			{
				
				return toDate( source, DEFAULT_LOCALE );
			}
		}
	}
	/**
	 * convert String with ISO8601 date format to java.util.Date
	 * 
	 * @param source
	 *            the String to be convert
	 * @param locate
	 * 			  the locate of the string
	 * @return result Date
	 */
	private static Date toDateISO8601( String source ) throws BirtException
	{
		Date resultDate = null;
		try
		{
			resultDate = DateFormatISO8601.parse( source );