code modularized into functions
add json data
add LICENSE.txt
Merge branch 'master' of https://github.com/macfarlandian/infoviz-final
Revert "Merge branch 'master' of https://github.com/macfarlandian/infoviz-final"

This reverts commit b3e534e6caad8bc47249a7c4336b1dd2149e4230, reversing
changes made to 3cc65eb9b03d227791dec0056093cf5e64739bae.