Update README to show 0.6.0 as stable

Merge branch 'master' into pr/812

Added aws-sdk as a dev dependency.

stupid fake version

Merge pull request nodegit#733 from nodegit/bump-version

Bump version to 0.5.0

bump to 0.4.1

Update changelog to reflect 0.4.0 version

Bump to 0.3.3

Bump to 0.3.2

Bump to 0.3.1

Fixes issues with our installation process.