use CDN for html5shiv instead of vendoring it; fixes part of #10989
use CDN for jQuery instead of vendoring it; fixes part of #10989
use data-ride="carousel" in the docs & examples; fixes #11005
Merge pull request #11015 from twbs/use-data-ride-carousel

use data-ride="carousel" in the docs & examples; fixes #11005
Merge pull request #11013 from twbs/fix-10989

Use CDNs for more example JavaScripts
use https:// for CDN links

- works when viewing page via file://
- sets a good example security-wise
fix typo in Getting Started docs prose
Merge pull request #11018 from twbs/use-https

use https:// for CDN links
Merge branch 'master' of https://github.com/twbs/bootstrap into develop