Add a "github-url" configuration option
Add a "github-url" configuration option

This is particularly useful for Github:enterprise installations.

Signed-off-by: Michael Steinert <ff2bcd618b500c74b38137be3a6709962e7b76df@gmail.com>

andrewburgess/groc,nevir/groc,erdii/groc,erdii/groc,druide/citare-scriptum,JoshuaToenyes/groc,andrewburgess/groc,gilt/groc,nevir/groc,gilt/groc,nevir/groc,druide/citare-scriptum,JoshuaToenyes/groc,erdii/groc,andrewburgess/groc,druide/citare-scriptum,JoshuaToenyes/groc,JoshuaToenyes/groc,gilt/groc,erdii/groc,andrewburgess/groc