added image for dha
Merge branch 'gh-pages' of https://github.com/mit-probabilistic-computing-project/BayesDB into gh-pages
Merge branch 'gh-pages' of https://github.com/mit-probabilistic-computing-project/BayesDB into gh-pages
Merge branch 'gh-pages' of https://github.com/mit-probabilistic-computing-project/BayesDB into gh-pages