Merge branch 'fc/fast-export-fixes'

Various updates to fast-export used in the context of the remote helper interface. * fc/fast-export-fixes: fast-export: make sure updated refs get updated fast-export: don't handle uninteresting refs fast-export: fix comparison in tests fast-export: trivial cleanup remote-testgit: implement the "done" feature manually remote-testgit: report success after an import remote-testgit: exercise more features remote-testgit: cleanup tests remote-testgit: remove irrelevant test remote-testgit: remove non-local functionality Add new simplified git-remote-testgit Rename git-remote-testgit to git-remote-testpy remote-helpers: fix failure message remote-testgit: fix direction of marks fast-export: avoid importing blob marks