Adding a bit of debug logging
Merge remote-tracking branch 'origin/master' into svens-travis-build-bug

Conflicts:
	upload/uploader_test.go
More test futzing while trying to figure out path upload bug
Assigning walked path as artifact "Source" to correct upload behavior

rather than using the path's "From"
Merge pull request #37 from travis-ci/svens-travis-build-bug

Uploading artifact source instead of path "From"