Merge branch 'fc/contrib-bzr-hg-fixes'

* fc/contrib-bzr-hg-fixes: contrib/remote-helpers: quote variable references in redirection targets contrib/remote-helpers: style updates for test scripts remote-hg: use notes to keep track of Hg revisions remote-helpers: cleanup more global variables remote-helpers: trivial style fixes remote-hg: improve basic test remote-hg: add missing &&s in the test remote-hg: fix test remote-bzr: make bzr branches configurable per-repo remote-bzr: fix export of utf-8 authors