Documentation fails to load due to mixed-content (HTTPS vs. HTTP)

[horazont]

In Firefox 45.6.0, the documentation page and demo pages fail to load due to mixed-content errors. The documentation is served via HTTPS, but the third-party javascript is HTTP and fails to load:

Blocked loading mixed active content "http://netdna.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-route.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-sanitize.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-touch.min.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-animate.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.9.1/highlight.min.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/1.3.3/ui-bootstrap-tpls.js"
Blocked loading mixed active content "http://netdna.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-route.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-sanitize.js"
Blocked loading mixed active content "http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-touch.min.js"

and more, as well as resulting javascript errors.