Restore .errorlist styles
Initial move of the demos app.
Merge pull request #2558 from openjck/restore-errorlist-styles

Restore .errorlist styles
Refactor/rewrite imports, URL reverses and settings due to move of demos app.
Merge pull request #2564 from ubernostrum/move-demos-app

Move demos app
Upgrade Prism JS
Move feeder app.
Move humans app.
Merge pull request #2573 from ubernostrum/move-humans

Move humans app.
Merge pull request #2572 from ubernostrum/move-feeder-app

Move feeder app.
Merge pull request #2570 from darkwing/upgrade-prism-again

Upgrade Prism JS