Fix #15194: Shrink media link area

add documenting in MDN as a step in browser bug handling process

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Document Savage cross-browser JS pull request tester bot
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Refs #12352, which is now implemented & deployed.
More info: https://github.com/twbs/savage

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http://crbug.com/429604 has been merged into http://crbug.com/175502

Clean up old `muted` references and switch to `text-muted`.

Don't line wrap event names in JS plugin docs

Switch to using sub-account of main Sauce account for Savage

Refs commit 6cfd811f.

consolidate relatedTarget docs in dropdown event docs

Adjust build scripts for Savage

Setup Travis event notification webhook for Savage
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Use npm instead NPM and update twbs team link.

Use scrollTop instead of colliderTop which uses the elements
offset().top, as the offset top does not account for padding.

This issue can be replicated by using a navbar-fixed-top and applying
relevant padding to the body. (A navbar-static-top with no padding on
the body does not encounter this issue)

Fixes #15078
Closes #15154 by merging it

fix travis.yml lint errors

This reverts commit b10b373c.

Resolves #14937.

Fix spelling of necolas' last name

Docs clean up - unnecessary role attributes, callout clarifications

honor wrap option in Carousel.getItemForDirection
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