Git-revise

* Add support for `git-rerere`, to record and replay conflict resolutions (75)
* Fix autosquash order of multiple fixup commits with the same target (72)
* Use `GIT_SEQUENCE_EDITOR` instead of `SEQUENCE_EDITOR` (71)
* Fix handling of multiline commit subjects (86)
* Add support for interactively revising or autosquashing the root commit via `--root`
* Add support for `commit.gpgSign` (46)
* Improved support for git-for-windows (112)

* Fixed handling of fixup-of-fixup commits (58)
* Added support for `git add`'s `--patch` flag (61)
* Manpage is now installed in `share/man/man1` instead of `man/man1` (62)
* Which patch failed to apply is now included in the conflict editor (53)
* Trailing whitespaces are no longer generated for empty comment lines (50)
* Use `sequence.editor` when editing `revise-todo` (60)

* Support non-ASCII branchnames. (48)
* LICENSE included in PyPi package. (44)

* Invoke `GIT_EDITOR` correctly when it includes quotes.
* Use `sh` instead of `bash` to run `GIT_EDITOR`.
* Added support for the `core.commentChar` config option.
* Added the `revise.autoSquash` config option to imply `--autosquash` by
default.
* Added support for unambiguous abbreviated refs.

* Fixes a bug where the tempdir path is set incorrectly when run from a
subdirectory.

* Improved the performance and UX for the `cut` command.