vg/fonts: update base URL of Liberation fonts
The fedorahosted.org site has been retired (since March 2017.) This CL now downloads fonts from the new location, pagure.org.
Fixes #400 (closed).
The fedorahosted.org site has been retired (since March 2017.) This CL now downloads fonts from the new location, pagure.org.
Fixes #400 (closed).