It represents the latest state on github, which should be better than
what's installed by default.

[skip ci]

Merged fd leaks fix from the master to the 0.3 version

Ensure consistent output from git command

Fix issue #41: repo.is_dirty() on empty repository with stashed files

Fix the `git version` parser.

GitRunCommand exception can store stdout output too.

0.3 with unicode fixes

Signed-off-by: David Black <dblack@atlassian.com>

(cherry picked from commit ca2b901e7229fc5c793762fd4e4c1c38c5a78e80)