Use package-file instead of package
Improve updating diff information at kill-buffer command
Merge pull request #64 from syohex/improve-kill-buffer

Improve updating diff information at kill-buffer command
Bump up version and update Changes
Implement changing start revision feature(#62)
Merge pull request #65 from syohex/set-start-revision-feature

Implement changing start revision feature(#62)
Drop Emacs 23 from CI
Bump up version and update Changes
Add git-gutter:set-start-diff description
Merge remote-tracking branch 'refs/remotes/upstream/master'