Implement editing from the Studio container page.

STUD-1306
added no content to container page in Studio
bones of new modal system scss and adjusting modals on container page, including video module
adjusting container component editor modal to be a window percentage and scrollable
Fix container unit tests
fix for chrome on component editor position
fix for chrome on component editor position 2
Improve styling
adjusting studio modal position some more
Add some more unit tests
expanded new video component style to include unit; adjusted container sizing a little
Update unit page and static pages page to use new edit modal
Quick fix to get it working again!
Fix Jasmine tests
Add loading indicator
Move loading indicator to the bottom