Rename docs/LICENSE-DOCS to docs/LICENSE

It sounded weird.
Add tooltip `viewport` option, respect bounds of the viewport
refactoring: add & use .text-emphasis-variant() mixin
refactoring: add & use .bg-variant() mixin
add & use @modal-md Less var for uniformity
new qunit
remove flaky pos bottom test which is effect by unit scroll pos
tooltip subpixel test fixes
add missing paren
re-enable OS X Firefox in Sauce tests
upgrade to Safari 7 in Sauce tests
grunt
Merge pull request #12262 from twbs/osx-firefox

re-enable OS X Firefox in Sauce tests
enable IE11 in Sauce tests
Merge pull request #12264 from twbs/mavericks-safari-7

upgrade to Safari 7 in Sauce tests
Merge pull request #12265 from twbs/ie-11

enable IE11 in Sauce tests
temporarily disable OS X Chrome Sauce test since it's being flaky

e.g.:
Tested http://127.0.0.1:3000/js/tests/index.html
Environment: OS X 10.9::chrome
>> Timeout, waited for more than 300000 milliseconds
enable IE10 for Sauce tests
Split box-sizing reset for faster rendering
Merge branch 'master' of github.com:twbs/bootstrap