fcambus/ansiweather — pull request #37 by andreineculau (2013-11-23 11:27:54+00:00)
Title: Change detection of BSD vs GNU date

[Previous detection](https://github.com/fcambus/ansiweather/issues/32) was checking for uname Linux/Debian,
but Debian can run in a GNU environment as well.

Ref: http://stackoverflow.com/questions/8747845/how-can-i-detect-bsd-vs-gnu-version-of-date-in-shell-script