Merge pull request #11502 from 1000hz/patch-1

Add missing data namespace for dropdown
Merge pull request #11432 from masterbee/WCAG2-color-contrast

Corrected color contrast to WCAG 2.0 AA (Accessibility Tweak) - Forms and Alerts
Merge pull request #11434 from ZDroid/fix-11433

Fix #11433: Better documentation for validation states
Merge branch 'master' into pr/11388

Conflicts:
	dist/css/bootstrap.min.css
Merge pull request #11369 from ssorallen/speedier-js-loading

Speedier jQuery and Twitter widgets.js
Merge pull request #11330 from maxwellium/patch-1

fixing offcanvas example for chrome
Merge pull request #11329 from ZDroid/patch-1

Add 'in' to complete thought
Alternate fix for #11303: add link to site in banner and remove @mdo and @fat usernames from it
Merge branch 'master' of github.com:twbs/bootstrap
Merge branch 'master' into pr/11299

Conflicts:
	dist/css/bootstrap.min.css
	docs-assets/js/raw-files.js
Merge pull request #11124 from StevenBlack/issue.11098

Fixes issue #11098 -- Button documentation.
Use pkg.homepage
Merge pull request #11657 from ZDroid/homepage

Use pkg.homepage
Fix up new margins on modals by not setting auto until screen-sm-min
Merge pull request #11398 from thelukemcdonald/master

Don't print .clearfix() comment references
Fixes #11351: Correct grid class reset on input groups by using attribute selector, not an old class from v3 betas
Merge branch 'master' of github.com:twbs/bootstrap
Merge branch 'master' into pr/11648

Conflicts:
	dist/css/bootstrap.min.css
	less/grid.less
Fixes #11544: Add color: inherit; to .panel-title to ensure proper text color when customizing @headings-color
Fixes #11515: Reorder the headings with body text and text emphasis classes