Move inline properties to variables.less

moved buttons.less, carousel.less & close.less in this commit
moving code and dropdowns to variables.less
moving forms, labels and list-group to variables.less
fixes #8559
@badge-bg should be @gray-light not #f5f5f5
Merge pull request #8564 from frabrunelle/3.0.0-wip

@badge-bg should be @gray-light not #f5f5f5
No more left margin on dd elements, fixes #8567
Merge branch '3.0.0-wip' of github.com:twitter/bootstrap into 3.0.0-wip

Conflicts:
	dist/css/bootstrap.min.css
Drop rounded corners on `.table-bordered`

* Cuts  close to 100 lines of CSS from the table CSS
* File size aside, this drastically simplifies CSS for folks looking to
build on top of the `.table-bordered` option as a starting point
Use input type `password` for the password field in the CSS documentation.
getting-started.html: add <code> around mention of `placeholder`
Merge pull request #8573 from cvrebert/patch-2

getting-started.html: add <code> around mention of `placeholder`
Merge pull request #8572 from mohnish/patch-1

Use input type `password` for the password field in the CSS documentatio...
fixes #7970
shown.bs.modal fix
revert collapse change + add emulateTransitionEvent to catch dead css transitions
fixes #8134
add additional carousel test
update carousel js docs to reflect leading .glyphicon
  https://github.com/twitter/bootstrap/pull/6342 icons section
  mentions the change to using glyphicon base class
  this adds it to the docs
Update link to blog