Add WebKit bug for #9774 to Wall of Browser Bugs

[skip sauce]

Add variable for default cursor

Customizer: include the minified files only on GitHub pages.

Fix customizer download with Firefox.

Safari v8.0 still suffers from Justified Nav rendering bug

Fixes #14462.
Closes #14463 by merging it.

Handle `collapsed` class on triggers even when manually invoked

Fixes #13636.

Change value of stateful button after event loop

Add `transform: translate3d(0, 0, 0)` iOS Safari bug to the Wall

Closes #14603 (again)
[skip sauce]

Remove `baseurl` as it doesn't serve any real purpose.

add missing hrefs to <a>s in docs+examples

[skip sauce]

For @XhmikosR

Customizer: add clearfixes to rows and simplify .bs-customizer-input to .col-xs-4

Increase timeouts in tooltip unit tests to avoid spurious Sauce failures

Fixes #14851