Update kumascript modules
Initial move of the demos app.
Track login button clicks with Optimizely and GA
Revert "Simplify variables in compile-stylesheets"

This reverts commit f069acc1dad00797465ecc55d0e21109dfc218e0.

Commit f069acc1 changed the way that the Kuma root was detected in
compile-stylesheets so that output from Stylus would be less verbose.
The particular implementation, however, introduced a bug where the
script could not be run from within its own directory. As it turns out,
there is no easy, portable way to do what commit f069acc1 intended.
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.
retro-fit demos migrations to new module location
Merge pull request #2570 from darkwing/upgrade-prism-again

Upgrade Prism JS
Merge pull request #2563 from openjck/track-login-clicks

Track login button clicks
Merge pull request #2566 from openjck/revert-f069acc1

Revert "Simplify variables in compile-stylesheets"
Upgrade Font Awesome to 4.1.0
Merge pull request #2568 from darkwing/font-awesome-upgrade

Font Awesome upgrade
Merge pull request #2574 from groovecoder/fix-demos-migrations

retro-fit demos migrations to new module location
another install doc update
Fix font awesome compression