Merge pull request #62 from jjon/gh-pages

numerous trivial corrections and clarifications
Update project-team.md

Moved Caleb to general editors
Update naive-bayesian.md

Fixed title
Add gallery images and originals
Vilja's final edits
Vilja's addition on supervised / unsupervised
Added Zenodo link for code+files archive
Published Naive Bayesian lesson
Update naive-bayesian.md

Changed date to reflect most recent edits
Added Naive Bayesian lesson

And changed category from Topic Modeling to the more inclusive Distant Reading
Rearranged topic order
Rearranged topic order, part 2