Read site-wide configuration file /etc/obs/services/git_buildpackage

The file consists of multiple "key=value" lines that set the site-wide
default values for git_buildpackage service.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Log the usage of the site-wide configuration file

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Version 1.3

Signed-off-by: Jan Blunck <jblunck@infradead.org>