Remove old difference series calculation, add queue back to api.
Fix nesting in validate.
Handle text/csv content type for measurements.
Merge pull request #28 from MastodonC/feature/csv-content

Handle text/csv content type for measurements.
Better scrolling through developer education.

Added a fat footer so that scrolling works properly and scroll now by
the correct specific amount rather than just until something is in
view. Adding an animation with setInterval at some point would be nice,
but can keep for now.