bump to v3.2.0
maxcdn urls
fix class names in popover live examples in docs
add comment explaining which demos this JS is for
rm apparent dead code from docs JS

.bs-docs-navbar class doesn't seem to be used anywhere at all
Fix link to compiling info. Fixes #13938.

[skip sauce]
Merge pull request #13942 from twbs/docs-grunt-13938

Fix link to compiling info.
Merge pull request #13939 from twbs/tree-shaking

Remove apparent dead code from docs JS
Fixed crazy-making typo on home page

...at least if you're a writing nerd :P "Bootstrap ships with vanilla CSS, but *its* source code..."
Merge pull request #13946 from rufo/patch-1

Fixed apostrophe typo on home page