remove: Twitter links

Merge pull request #37 from ibenrodriguez/patch-1

Update index.html

Merge pull request #36 from alyxw/fix_heap_ballooning_from_draws_when_unfocused

Added an `if` statement checking the state of `document.hidden` before attempting to draw. If it attempts to draw, it will still play the sound if it can to sound like it's still doing something and will immediately begin drawing again when the page is tabbed back to.

Merge pull request #31 from aghArdeshir/patch-1

remove unnecessary closing tag

Merge pull request #29 from hydrosquall/feature/update-deploy-link-from-hrbrmstr-repo

Merge pull request #27 from dtklein/dtklein-dockerize-pewpew

Update source repository link for Heroku deployment

Merge pull request #26 from hydrosquall/feature/update-external-js-to-https

Merge branch 'master' into feature/update-external-js-to-https

Option to easilt run w/o web-host or heroku

Load external libraries over HTTPS to fix heroku

Update app.json