Merge pull request #19 from SEL-Columbia/itemsets

handling forms with itemsets (needs more tests)
fork me banner
itemset load bugfix
Merge branch 'gh-pages' of github.com:SEL-Columbia/formhub.R
Merge branch 'master' of github.com:SEL-Columbia/formhub.R into photo_urls
new names in snake_case, tiny bug-fix
updating good_eats dataset, fixing brittle tests
add photo URL tests
bump up version number