note specific versions of IE where progress bar animation supported; fixes #12437
rm outdated note about lack of .col-{xs,sm}-offset-0; fixes #12439
Update jQuery to v1.11.0.

Also, use Google's CDN per #11369.
Merge pull request #12436 from XhmikosR/jquery

Update jQuery to v1.11.0.
Update Filesaver.js and jszip.js to the latest git.