removed outline from modal
Customizable backdrop opacity
Added opacity to customizer and rebuilt customizer
Options of sizes added in modal
Adjust in modal size rules
Add well-border variable

Add a variable to allow the well border color to be specified.

The reason I'd like to see this included is that my companies styleguide
requires an explicit border color on well-like constructs. This variable
allows me to easily override the default to use that color.
Carousel: Use the transition duration from CSS

This makes it possible to change the transition duration in CSS
Fix #11400 and #11431
Fixed single btn in btn-group-veritcal not being rounded
Reduce size of the visibility styles
Fixes #11669 - Adds smooth modal scrolling on iOS by default
Don't exclude fonts from bower installs

Excluding fonts/ from bower installs causes glyphicons to be
unavailable to projects using development Bootstrap LESS files.
Drop redundant module import
Add `.animation-*()` mixins
Minify css with clean-css.
Add csslint support.
Don't ignore Gruntfile, it's required for compile
Merge pull request #11780 from ZDroid/grunt-dev

Don't ignore Gruntfile, it's required for compile
Fix typo in new author meta tag
fix <button>s with .btn but missing accompanying .btn-*