BUG FIXES
* Fixes duplicate tag warnings in 'git-remote-bzr' helper.
(Jelmer Vernooij, #905275)
* Don't suggest development-subtree when submodules are encountered.
(Jelmer Vernooij, #951494)
* Print proper error when encountering data that can't be roundtripped.
(Jelmer Vernooij)
* Ignore control directory filenames on Windows, too.
(Jelmer Vernooij, #967054)
* Fix 'Unable to obtain lock' error when dpushing from a bound branch.
(Jelmer Vernooij, #949557)
* Cope with commits with a completely empty tree.
(Jelmer Vernooij, #933132)
TESTS
* Add test to verify that certain invalid timezones ("--700") are
roundtripped correctly. (Jelmer Vernooij, #697828)
