update subtitle/about for IS Pendulum Interatives

[#47474535]
about/subtitle content for VISUAL Recycling models

[#47499545]

Thanks Kevin!
basic v9 Climate Change model from Bob Tinker

IS [#47396005]
draggable rects for re-scaling graph axes

[#42750307]

Using a draggable rect that encompasses the area where the
numeric labels for the axis are displayed makes re-scaling
much easier.
restore default cursor when mouseout of the graph

[#42750307]
get rid of red border around graph canvas
maintain re-scaling cursors during drag

[#42750307]