Update changelog with latest bug fix.
Undocumented feature, testing purposes only: Make animation timer interval settable via user defaults. Allows setting of maximum desired framerate on the fly.
Merge pull request #98 from OoliteProject/scrolling-chart

Scrolling chart
Holding Ctrl while using arrow keys to move the cursor in the Short and Long Range Chart screens now doubles cursor speed.
double cursor speed for long range chart
Add zooming to short range chart