Support private repositories and cleanup#2

Merged

saily merged 6 commits intosaily:sync-gitlab-reposfrom rheinwerk-verlag:sync-gitlab-repos

Oct 5, 2016

Commits on Aug 5, 2016

Improved url_pattern of the GitLabService to support private repositories
Timo Steidle
committed
Fixed linting error
Timo Steidle
committed

Commits on Aug 10, 2016

Simplified exception handling
Timo Steidle
committed
Use PRODUCTION_DOMAIN as webhook id
Timo Steidle
committed
Make imports python3 compatible
Timo Steidle
committed
Use the GitLab project ID, not the PRODUCTION_DOMAIN
Timo Steidle
committed