Merge branch '3.0.0-wip' into bs3_theme

Conflicts:
	dist/css/bootstrap.min.css
comma & <code> in "Modals and mobile devices" docs
improve grammar in "Disabling responsiveness" docs
fix typo in JS docs
move customizer onto gists
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
Finish first pass at and docment Bootstrap v2-ish theme

* Adds new "theme" example
* Adds new theme.less file to provide all the overrides and additional
styles for the theme
* theme.less compiles, via Grunt, to two new files to `dist/css`,
bootstrap-theme.css and bootstrap-theme.min.css
update examples to use new .btn-lg class
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
Merge branch '3.0.0-wip' into bs3_theme
add logging
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
use correct arg name
Merge branch '3.0.0-wip' into bs3_theme
generic comment
Merge pull request #9756 from twbs/bs3_theme

BS3: Add optional theme (fixes #8706)
copy edit
add small fix for tooltip consistency + fix customizer syntax issue
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
Update jumbotron

* Defaults to no rounded corners and full width in the viewport
* When in a container, the jumbotron has extra padding and will have
rounded corners
* Updates default jumbotron example to show the full width default
display

Fixes #9759.