Documents #10140
Merge branch 'master' into document_popover_focus
add posibillity to hover links and not background in list-groups
Fix UAs required message position on grouped radio buttons

Instead of not rendering the element at all with display:none, use opacity:0 and z-index:-1 so the radio element has a defined position on the document and user agents can show the required message in the right place.
Remove ./ from bower.json paths
Merge pull request #12794 from epidemian/required-radio-button-groups

Fix UAs required message position on grouped radio buttons
Comment for #12794
Merge pull request #12739 from DaSchTour/twbs

add posibillity to hover links and not background in list-groups
Add autoprefixer
Fixes #12937: Darken active button states just a smidge more
Use LF for SVG files too.
Merge branch 'master' of github.com:twbs/bootstrap
Normalize line endings
grunt for days
Merge branch 'master' into pr/12670
Merge pull request #12931 from twbs/line-endings
G R U N T
Merge branch 'master' of github.com:twbs/bootstrap
Rename properties
G R U N T