Skeleton for follow-on verification behavior

Quick-and-dirty end-to-end flow, functional for at least the case of one course in need of re-verification.

Ready for design to start taking a look; still needs tests and code cleanup
re-verification dashboard styles
Cleanup
fixing lms sass pipeline mixup
some styling and html for re-verification flows
Tests and cleanup

Improved tests, fixed javascript for photocapture, removed extraneous photocapture code, added time & course numbers to templates for design
adjusting style and html for re-verification on lms
Moved reverification windows into common

Added verification sidebar, banner for majro courseware sections, quality & test improvements
interstitial step in reverify style
Various test fixes
styling complete on reverify dash
Added clean_all mixin, fixed tests
updated re-verify notification style for dashboard and courseware
Response to CR