Windows path fixes.
Add tests for tm.join
Add secure aws creds to appveyor.yml
Debug.
More debug.
Appveyor bump.
Use lowercase drive name.
Merge branch 'windows' of https://github.com/mapbox/tm2 into windows
Less debug.
Appveyor bump.
Merge branch 'windows' of github.com:mapbox/tm2 into windows
More path mangling.
Actually lowercasify drive letter.
Debug HOME env var.
Merge pull request #573 from mapbox/windows

Windows