Remove filter functionality that broke with worksheet revert. Will add back after demo day.
Merge branch 'master' of ssh://107.170.232.228/home/rails
More robust filter handling
Merge branch 'master' of https://github.com/rcchen/cs210-stockholm
Merge branch 'master' of https://github.com/rcchen/cs210-stockholm
Merge branch 'master' of https://github.com/rcchen/cs210-stockholm
Remove redis (that b****) from the script and create temp data folder.
Fix leaking resources by deleting old files when background process is over.
initialize vis to have empty objects instead of nil objects
Merge branch 'master' of https://github.com/rcchen/cs210-stockholm