* Set trust proxy option on Express app.
* Fix replacement of filePath for full screen and embed sketches.
* Use const rather than let because is never reassigned.
* update eslint and dependencies, fix linting errors that can be fixed with --fix
* fix lots of linting errors
* update eslintrc, fix some linting errors
* fix all server side linting errors, untested
* fix errors that fixing linting errors had caused
* fix client side eslint errors
* fix client side linting errors
* fix refs lint errors
* fix more linting errors
* update eslint and dependencies, fix linting errors that can be fixed with --fix
* fix lots of linting errors
* update eslintrc, fix some linting errors
* fix all server side linting errors, untested
* fix errors that fixing linting errors had caused
* fix client side eslint errors
* fix client side linting errors
* fix refs lint errors
* fix more linting errors
* fix some accessibility linting errors
* fix a lot of linting errors
* fix a billion more linting errors
* hopefully fix all linting errors, still need to test
* fix bugs that fixing linting had caused