0.2.2.x manpage mentions country codes for 0.2.2.x EntryNodes option
... which isn't supported until 0.2.3.x.
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information
GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.
... which isn't supported until 0.2.3.x.