fix #13427
Document that @import-ing Bootstrap can break the icon font path

Addresses part of #13429.
change 'slid' comments per @fat's feedback
Carousel.slide: rename e => slideEvent
Merge pull request #13396 from twbs/carousel-events

Carousel event properties
fixes https://github.com/twbs/bootstrap/issues/13367

Second color stop value should be percentage instead of decimal value.
Update JSZip to v2.2.1.
Update holder.js to v2.3.2.
Run `grunt`.
Minor Spacing fixes

Flagged upstream in bootstrap-sass by scss-lint
Merge pull request #13439 from nschonni/spacing-fixes

Minor Spacing fixes
Update type.less

For better readability on mobile devices
Merge pull request #13435 from twbs/doc-less-import-glyphicons

Document that @import-ing Bootstrap can break the icon font path
add ie-emulation-modes-warning.js to docs & examples
Merge pull request #13422 from twbs/ie-emulation-modes-warning

Warn about IE emulation modes in docs+examples
Remove sr-only from components/dropdowns example

Assuming sr-only is used in the actual live code so that the menu can be
shown open already ... but having sr-only in the highlighted example
code itself is confusing/misleading.

Also, change the text for the button from "Dropdown" to "Dropdown
trigger" for clarity (and it then matches
http://getbootstrap.com/javascript/#dropdowns)
Changed last-child to first-child
As noted by @jerem the first child will actually be the last shown
Update alert.js

Added call to remove() after event fires to clean up data as per discussion at #12379
Merge pull request #13424 from twbs/docs-libs

Update docs libs
Merge pull request #13437 from saas786/master

fixes #13367