Fixed broken link in README.md

Include a note about text-based form control styling

fixes #8824.

Add notes about dual-licensing contributions before switching to MIT in v3.1

Ditch `&`, as `+ ...` is enought

Recommend only <div> (not <span>) for putting tooltips on disabled elements

Per issue comments, `display: inline` elements like <span> don't work for this.
Resolves #10049

adding required attribute for example signin form

changed attr('data-target') to data('target');

Use bootstrap.less file order in Customizer

Extended hover state of linked versions of .thumbnail

Conflicts:
	dist/css/bootstrap.min.css

Unhardcode .table-responsive bottom margin

fix .table-responsive media query; refs #11067

Conflicts:
	getting-started.html

add note to docs about Respond.js & file:// ; fixes part of #11019

Nuke trailing zeros

change english link text to chinese