Bump version for stable release.
If using the default git clone URL, also update it to use HTTPS if the flag is passed.
Apply the forking patch to openSUSE git installations.

This is needed while SuSE/openSUSE doesn't ship the systemd python
bindings.

Closes saltstack/salt#16982
Update changes log
Bump version for stable release
Update changes log
Add @ggillies to AUTHORS