Merge branch 'fc/remote-helper-fixes'

* fc/remote-helper-fixes:
remote-bzr: trivial test fix
remote-bzr: include authors field in pushed commits
remote-bzr: add support for older versions
remote-hg: always normalize paths
remote-helpers: allow all tests running from any dir

diff --cc contrib/remote-helpers/git-remote-bzr
Simple merge

diff --cc contrib/remote-helpers/git-remote-hg
Simple merge

diff --cc contrib/remote-helpers/test-bzr.sh
Simple merge