fix #12154
fix #12007 by clarifying target of dropdown events
fixed first element padding of list-inline
rm callout about creating .container-fluid-alikes now that .container-fluid has been added
Remove redundant :-moz-placeholder styles

No need for old Firefox versions support.
fixed two typos in carousel.less

carousel.less has two typos in glyphicon classnames. fixed them.
Sticky footers without any wrappers
Added border radiuses to table when in a panel. Fixes #12461
Use license object instead of licenses array
Update grunt paths
Merge pull request #12612 from ZDroid/grunt-path

Update grunt paths
use Less' extend feature in btn-group-lg etc.
Merge pull request #12605 from ZDroid/license-object

Use license object instead of licenses array
Update jzip to v2.1.0.
bs-raw-files-generator.js: use the global directive to define the `btoa` variable.
Merge pull request #12616 from twbs/jszip

Update jzip to v2.1.0.
Merge pull request #12613 from twbs/sized-btn-group-extend

use Less' extend feature in btn-group-lg etc.
use :extend in thumbnail Less
use :extend(.img-responsive) in Carousel's Less
Merge pull request #12621 from twbs/carousel-img-responsive-extend

use :extend(.img-responsive) in Carousel's Less