Update documentat if the class.
SetColor() and SetLabel() now work with 0-based index.
SetColor() now checks length of myColors.
Remove methods GetCurrentColor() and GetCurrentLabel().
Methods GetColor() and GetLabel() now can be used to get user-specified and default colors / labels.
Round down IntervNumber in FindColor().
DrawScale() - show labels even for one interval.
Redesign Draw Harness command vcolorscale, provide new options.
Update test cases which use vcolorscale command.
Modified TODO in some offset cases.
Deleted the same test cases bug697_* in /bugs/modalg
Deleted test cases which is based on v2d commands
Added test cases to folder bugs
