Better color support in diff(1) and ls(1)

From: Cameron Katri via freebsd-current <>
Date: Sat, 29 May 2021 18:30:28 UTC

     I just submitted two differentials, D30545 and D30547, for color 
support in diff(1) and underline support in ls(1) respectively. While I 
was submitting these I also noticed that .arcconfig is still configured 
to submit differentials to the subversion repo, not the git one.

- Cameron Katri