Use e.target instead :focus selector.
Document .alert-dismissible .close restrictions; fixes #14802

[skip sauce]
Clarify order of tabs events; fixes #14853

[skip sauce]
Merge pull request #14858 from twbs/fix-14802

Document .alert-dismissible .close restrictions
Merge pull request #14859 from twbs/fix-14853

Clarify order of tabs events
grunt
Add jQuery version check to existing jQuery presence check

Fixes #14809.
Closes #14825.
Merge pull request #14669 from vsn4ik/dropdown_event_target

Use e.target instead :focus selector.
Merge pull request #14852 from twbs/jquery-version-check

Add jQuery version check to existing jQuery presence check
grunt
Fix a small typo in comment.

[ci skip]
Merge pull request #14860 from twbs/comment-typo

Fix a small typo in comment.