Bug 179898 Date/Time type X-Axis labels are not correct when set grouping [0001]
Description: Date/Time type X-Axis labels are not correct when set grouping. Build number: 2.2.0.v20070328-0630 Steps to reproduce: 1. New a Bar Chart with Date/Time type X-Axis with values as 4/1/2005 10:12 AM 4/1/2005 11:15 AM 4/1/2005 7:15 AM 2. Enable X Series Grouping, set Type as "DateTime", Unit as "Day", Interval as 1, and Aggregate Expression as "Sum". 3. Preview. Expected result: X-Axis label should be "4/1/2005" Actual result: X-Axis label is "2005" Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/CDateTime.java
*            instance
	 * @param minute
	 *            The minute (0-59) of the hour associated with this instance
	 */
	public CDateTime( int year, int month, int date, int hour, int minute )
	{
		super( year, month - 1, date, hour, minute );
	}
	/**
	 * A constructor that creates an instance for a specified year, month, date,
	 * hour and minute
	 * 
	 * @param year
	 *            The year associated with this instance
	 * @param month
	 *            The month index (1-12) of the year (1-based)
	 * @param date
	 *            The day of the month associated with this instance
	 * @param hour
	 *            The hour (0-23) of the day (military) associated with this
	 *            instance
	 * @param minute
	 *            The minute (0-59) of the hour associated with this instance
	 * @param second
	 *            The second (0-59) of the minute associated with this instance
	 */
	public CDateTime( int year, int month, int date, int hour, int minute,
			int second )
	{
		super( year, month - 1, date, hour, minute, second );