Creates first post in series about ShinobiRangeSelector

This one gets all the ground work done, and then creates a range
selector which listens to updates from the main chart and redraws itself
appropriately.
Creates the second post in the range selector series

This one adds the ability to update the main chart's view using the
range selector, and adds handles on the range selector.
Creates the post which adds momentum

It also explains how to set a minimum visible range for the chart.