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Document that .form-inline & .form-horizontal work fine on non-<form>s too

Document usage of npm package

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Fixes #15555
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Fixes #15465

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Refs #14868

Refs #15205

Refs #11266, #13098

Remove #13892's entry from the Wall of Browser Bugs

So remove its entry from the Wall of Browser Bugs.
Refs #13892, #14037

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Add pointer to Masonry (& similar) in the Thumbnail docs

Bump grunt-contrib-less to ~1.0.0

Update jQuery to v1.11.2.

update shrinkwrap

Update devDependencies

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Sauce testing: set maxPollRetries to 4 for increased robustness

Happy New Year

Document that responsive tables use `overflow-y: hidden`

Document that Autoprefixer is required

Address #15419

Use a glyphicon instead of the unicode character.