RSChart works sort of. Shows up, but only in JFrame. Not, oddly, in JInternalFrame

Signed-off-by: Mark White <mark@markewhite.com>
Added ChartDoc and ChartView.

ChartView shows up as internal frame. Next need to add chart panel. Then move calculations to static classes so we can call them repetitively from ChartDoc.

Signed-off-by: Mark White <mark@markewhite.com>