Use editor setup in Git, default to vi
Fix a bunch of misplaced stderr redirections
Init GPG_OPT to the empty string
Add quotes around tag to push (just in case)
Fix quoting in README around <REF> in git-deliver <REMOTE> <REF> description
Make run_remote default to /tmp on the remote, even in the 'local remote' case
Replace realpath (too recent) with cd & pwd -P