Refactor: Sign in: Remove jQuery UI, et al
Refactor: Sign in: Remove jQuery UI, et al

Remove the external libraries that we don't
need on the signin page: Stripe, jQuery UI,
Bootstrap JS, touch punch, modernizr.

secret-project/circle-blvd,myersg86/circle-blvd,holmwell/circle-blvd,holmwell/circle-blvd,myersg86/circle-blvd,ellipsonic/circle-blvd,myersg86/circle-blvd,myersg86/circle-blvd,secret-project/circle-blvd,ellipsonic/circle-blvd,secret-project/circle-blvd,ellipsonic/circle-blvd,holmwell/circle-blvd,ellipsonic/circle-blvd,secret-project/circle-blvd,holmwell/circle-blvd