Add tooltip `viewport` option, respect bounds of the viewport
upgrade to Safari 7 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
Merge branch 'bo-tooltip-viewport' of https://github.com/benogle/bootstrap into benogle-bo-tooltip-viewport

Conflicts:
	docs/javascript.html
Merge pull request #12267 from twbs/ie-10

enable IE10 for Sauce tests
Revert "Add tooltip `viewport` option, respect bounds of the viewport"

This reverts commit edb221a20ceabebd427e27d0432e94a227717217.
Reverting due to broken JS unit tests.

Conflicts:
	docs/javascript.html