Fix a typo using GitKnowledgeRepository.git_has_remote, whereby the l…

…ogic required the boolean value to be negated.

Merge pull request airbnb#39 from airbnb/mw_bump_version

Bump version to 0.6.2.

Merge pull request airbnb#37 from airbnb/mw_bump_version

Bump version to 0.6.1

Merge pull request airbnb#28 from airbnb/mw_update_version_info

Update version to 0.6, and fix classifiers.