hidden and auto
Merge pull request #13785 from twbs/fat-13609

fixes 13609 - Modal is shifting left just before the hiding animation
grunt
fix #13185 - keyboard support for carousel
add special transitionend type to test event origin
fixes #13430
Fixes #13548: Use position: absolute; to fix checkbox and radio line-height problems that were introduced after #13003
fix thumbnails docs
New text align class, .text-nowrap, for preventing text from breaking to new lines. Applies it to the grid docs table.
fixes #13775: tweak grid nesting docs about # of cols, change up example slightly
homepage copy to fix #13733
Merge pull request #13783 from twbs/fat-13220

fix #13220
docs callout for #13219
words
grunt
Merge pull request #13687 from smmoosavi/patch-1

Color Contrast for panel heading
grunt
Merge pull request #13671 from 04818419/text-transformation

text transformation added
grunt
fixes #13356: clarify use of clearfix on parents
fix grammar in new callout