Improvements
Added new property that reverses the legend order in FlexChart.
Added new legends position options to ChartLegend.
Added new TrendLine.minX / maxX properties that allow extending trend line beyond original data range.
Improvements
Added Placeholder property to Column class that allows setting custom placeholder text to be displayed when editing empty cells.
Improvements
Added PreserveCalendarNavigation property to InputDate to display selected date month value.
