Clean up Affix documentation
Clean up the Alert documentation
Merge alert examples and add `.bs-example-standalone` class
Document limitations of buttons JS plugin

Addresses #14148.
Use autocomplete="off" in buttons plugin docs examples

Refs #13875.
Have HTML5 validator ignore `autocomplete="off"` on input[type="checkbox"]

Not clear from the spec whether this is invalid per se.
But it is the current best known workaround for Firefox's unusual behavior.
Make warning from #13875 slightly more detailed

[skip sauce]
Add Wall of Browser Bugs entry for IE bug from issue #14211

[skip sauce]
Merge pull request #14191 from twbs/autocomplete-off-btns

Use autocomplete="off" in buttons plugin docs examples
Merge pull request #14188 from twbs/doc-14148

Document limitations of buttons JS plugin
Merge pull request #14225 from twbs/issue-14211

Add Wall of Browser Bugs entry for IE bug from issue #14211
Fixes #12669 again: Redeclare the line-heights again for date inputs in IE8+
Merge pull request #14166 from hnrch02/docs-cleanup

Docs cleanup
Fixes #14168: bold nested kbd elements
Merge branch 'master' of github.com:twbs/bootstrap
Fixes #14221: Make .form-control-static work in inline forms as well
unfuck those dropdowns
Fixes #14142: Adding horizontal padding to captions in tables in panels.
Remove #9226 from Wall of Browser Bugs

Per https://code.google.com/p/chromium/issues/detail?id=272750
and https://github.com/twbs/bootstrap/issues/9226#issuecomment-49873472
Merge pull request #14233 from twbs/another-one-bites-the-dust

Remove #9226 from Wall of Browser Bugs