Bug 214077 [Automation][Regression]Chart Y-axis step size is changed
Description: Chart Y-axis step size is changed to 1 when set the chart step size as default. Test Date: 20080102 Test Build: BIRT2.3.0 Daily Build: v20080102-1021 Step to reproduce: 1. Use the report attached 2. Preview it. Expect result: The step size should be 1000. Actual result: The step size is 1.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
* Quick static lookup for datetime scaling
	 */
	private static int[] iaCalendarUnits = {
			Calendar.SECOND,
			Calendar.MINUTE,
			Calendar.HOUR_OF_DAY,
			Calendar.DATE,
			Calendar.MONTH,
			Calendar.YEAR
	};
	private static int[] iaSecondDeltas = {
			1, 5, 10, 15, 20, 30
	};
	private static int[] iaMinuteDeltas = {
			1, 5, 10, 15, 20, 30
	};
	private static int[] iaHourDeltas = {
			1, 2, 3, 4, 12
	};
	private static int[] iaDayDeltas = {
			1, 7, 14
	};
	private static int[] iaMonthDeltas = {
			1, 2, 3, 4, 6
	};
	private static int[][] iaCalendarDeltas = {
			iaSecondDeltas,
			iaMinuteDeltas,
			iaHourDeltas,
			iaDayDeltas,