Move Windows Phone 8 IE10 viewport bug workaround script from head to footer

Update docs & add example for #14221

Delete duplicate property in .JSCSRC

dropdowns.html: Remove wrong "type" attribute.

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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

Docs cleanup

Add Wall of Browser Bugs entry for IE bug from issue #14211

Document limitations of buttons JS plugin

Use autocomplete="off" in buttons plugin docs examples

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Charlesbjohnson affix bottom when dynamic height

Mckramer dropdown aria

Conflicts:
	docs/_includes/js/dropdowns.html

Update grunt-csscomb

Document that form field feedback icons only work with input.form-control

Closes #14202.

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