Merge branch 'feature/project-export' into 'master'
Export project functionality
This is a MR for the export functionality of https://gitlab.com/gitlab-org/gitlab-ce/issues/3050, which adds the ability to export single projects.
- [x] members
- DB data
- [x] issues
- [x] issue comments
- [x] merge requests
- [x] merge request diff
- [x] merge request comments
- [x] labels
- [x] milestones
- [x] snippets
- [x] releases
- [x] events
- [x] commit statuses
- [x] CI builds
- File system data
- [x] Git repository
- [x] wiki
- [x] uploads
- [ ] ~~CI build traces~~
- [ ] ~~CI build artifacts~~
- [ ] ~~LFS objects~~
- DB configuration
- [x] services
- [x] web hooks
- [x] protected branches
- [x] deploy keys
- [x] CI variables
- [x] CI triggers
See merge request !3114