Changes in version 1.7.5                        

  - Added bug reporting URL and keywords to DESCRIPTION. No code changes
    in this version.

                        Changes in version 1.7.4                        

License change

  - PEcAn.photosynthesis is now distributed under the BSD three-clause
    license instead of the NCSA Open Source license.

Fixed

  - Vignette compilation now works

                        Changes in version 1.7.3                        

Fixed

  - Cleaned up many check warnings (@moki1202, #2821)
  - Fixed vignette compilation

                        Changes in version 1.7.1                        

  - All changes in 1.7.1 and earlier were recorded in a single file for
    all of the PEcAn packages; please see
    https://github.com/PecanProject/pecan/blob/v1.7.1/CHANGELOG.md for
    details.