Tasks to be completed for [Download Elevation File](https://github.com/firelab/windninja/blob/master/doc/download_elevation_file.pdf): - [ ] Review tutorial descriptions for accuracy, update as needed - [ ] Update images to match new download page + map updates - [ ] Add section explaining the drawn elevation file bounding box and auto center/center button. Latex file and tutorial images found [here](https://github.com/firelab/windninja/blob/master/doc).