Added the ability to convert to radiance and reflectance and cleaned up code (#3957)

* Added logging for testing

* Added couts to test code

* Cleaned up calibration function to match JAXA paper

* Added history comment

* Better comment for why we create a temp file

* Added DN -> Radiance -> Reflectance conversions

* Some format changes

* Grabbed the solar distance from the instrument group

* Removed unused functions

* Fixed conflicts

* Moved special pixel check

Co-authored-by: Stuart Sides <ssides@usgs.gov>