Merge pull request #127 from wetneb/1-blame-via-pygit

Only use pygit2's blame via opt-in

Blame via pygit2 instead of subprocess

Merge pull request #126 from wetneb/125-root-commit

Fix deps fetching on the root commit

Merge pull request #124 from wetneb/self_test_suite

Start test suite of running git-deps on itself

Merge pull request #123 from wetneb/115-remove-six

Remove dependency to six. Closes #115

Merge pull request #122 from wetneb/setuptools_upgrade

Remove Travis config

Upgrade setuptools

Create CI.yml

Merge pull request #111 from hagai-helman/master

Import `safe_join` from `werkzeug.security`