Added "commits" to be redirected to build page. This URL is called from gitlab merge request page with a link next to the jenkins build status.

Furthermore added a logger warning to notify when a url is not matched.
Merge pull request #34 from kasper-f/correct_gitlab_merge_number

Found that the id from the ObjectAttribute dit not point to the id of th...
Merge conflicts resolved
Merge pull request #33 from kasper-f/redirect_commit_to_build_page

Added "commits" to be redirected to build page.
Merge branch 'develop' of github.com:DABSquared/gitlab-plugin into develop
Merge remote-tracking branch 'parent/develop' into check_merge_request_on_push