fix nav links to end with / to avoid 301 redirect
Merge pull request #14472 from mrduguo/master

fix nav links to end with / to avoid 301 redirect
mention #14320 in browser bugs
grunt
Document that input groups weren't intended for use with <textarea>s

Refs #14362
Merge pull request #14482 from twbs/doc-14362

Document that input groups weren't intended for use with <textarea>s
Gruntfile.js: Simplify copy task.
Merge pull request #14488 from vsn4ik/gruntfile_copy_task

Gruntfile.js: Simplify copy task.
Update grunt-jscs.
Set git clone depth to 10 for Travis to make it faster
Fixes #14443: Only transition what needs transitioning for thumbnails to avoid Safari/Chrome render bug
document that fieldset[disabled] is somewhat broken in IE11; fixes #14509
Merge pull request #14516 from twbs/fix-14509

Document that fieldset[disabled] is somewhat broken in IE11
Merge pull request #14497 from BBosman/clone-depth

Set git clone depth to 10 for Travis to make it faster
Add Wall of Browser bugs entry for #793

Also, link to the Mozilla bug in the relevant callout.
Merge pull request #14527 from twbs/firefox-disabled-bug

Add Wall of Browser bugs entry for #793
add entry for #14528 to Wall of Browser Bugs
Merge pull request #14531 from twbs/doc-14528

add entry for #14528 to Wall of Browser Bugs
Replace nonexistent .col-6 classes in offcanvas example with .col-xs-6

Fixes #14500
Merge branch 'thr3-arendt/patch-1'