The git-get-pub does not have the same effect as the other git-get-% targets, and this commit makes it.
The other git-get-% targets run pgit.sh, which rebases the current branch onto the fetched branch, and git-get-pub doesn't. Since devops merges contributor forges fast-forward without a merge-commit, the pub remote's master needs to be the last to be rebased on, because otherwise it will not allow to force-push the result.
As soon as multiple forges with protected master branches contribute, fast-forward merging of the master branch will need to be abolished anyway, and the release machinery will need an overhaul.
Signed-off-by: Jan Lindemann <jan@janware.com>