Use @font-size-small variable to calculate <small> font-size fixes #13713 #13809
Fixes #13903: Restore side padding on .btn-block
Merge branch 'master' of github.com:twbs/bootstrap
grid class inconsistency /cc @juthilo
Merge pull request #13900 from twbs/customize_on_your_own

Remove broken link
Revert UMD (#13772 & friends) for now, due to #13812.

Will hopefully revert this reversion and land a fully-working version of UMD in v3.3.0.

Revert "some changes from #13801 - add strict mode back and =="
This reverts commit 2b302f69eea416bc85e7827b7d7a74d49f879662.

Revert "Fix regression of #10038 introduced by #13772"
This reverts commit e9d6756a1ac76a9db31a41e8e03f663bedc41b70.

Revert "MD/CommonJS/Globals #12909"
This reverts commit 1c6fa9010daf0d0c21de9e20fe6ac4dba1788d90.

Revert "address #13811"
This reverts commit f347d7d955bbb17234b8e12c68efae7d516ce62c.

Conflicts:
    js/carousel.js
    js/collapse.js
    js/dropdown.js
    js/modal.js
    js/tab.js
    js/tooltip.js
Merge pull request #13882 from thomaswelton/issue-13713-use-variable-small

Use @font-size-small variable to calculate <small> font-size
Update cover.css

Moved the inset box-shadow to .site-wrapper in order to keep the shadow at the edges even if content exceeds viewport and needs scrolling.
grid class inconsistency 2

https://github.com/twbs/bootstrap/commit/32bde78e1996a92e6b801e1f4a475d5ab48685f8
Merge pull request #13904 from twbs/revert-umd

Revert UMD for now, due to #13812.
Merge branch 'master' into fix-13386

Conflicts:
	js/carousel.js
Merge branch 'fix-13386'
add "focus" to focused btns with button plugin
Partly revert cb7eb674accd24b6b73f26ef23cf4a301b6ebfaf

Fixes #13911
Update dependencies.
Turn off clean-css' advanced optimizations.

Works around #13914.

We might give it another go in the future but the stuff this breaks over the time does not justify having it enabled. The gain in size is negligible:

dist/css/bootstrap.min.css: 108.65 kB → 109.5 kB
dist/css/bootstrap-theme.min.css: 18.84 kB → 18.86 kB
docs/assets/css/docs.min.css: 20.44 kB → 20.61 kB
Run `grunt`.
Merge pull request #13913 from hnrch02/webkit-keyframes

Partly revert cb7eb674accd24b6b73f26ef23cf4a301b6ebfaf
Move variable declaration before its use for Sass

In Sass, variable must be declared before it is used.
This also removes Miscellaneous section, because horizontal line color
and form / list paddings are Typography.
upgrade grunt-saucelabs to ~8.1.0

update shrinkwrap too