fixes 14714: don't use specific value in buttons docs

BS3 commits: 2aedd274f2ab8acb7e1239671747f1b4a79c736d
Add `keyboard` option to carousel

BS3 commits: 038a63b0ebce276186fae93916703dd0e70ac4a1
more grunt

BS3 commits: 76268c4b965c247ba012fba257c9b6400d0533eb
Fixes 14251: Don't use hidden screen reader content in docs table so that Safari doesn't screw up overflow: hidden; content

BS3 commits: 82eaf3cdce087d85ecd29cdf2a35a2deb8771d7a
Fixes 14711: Account for list groups in collapsing panels

BS3 commits: 12091b9567e77f8b503d31860b3115791b072a3b
Add browser bug reporting links to CONTRIBUTING docs; refs 13974

BS3 commits: 7af7a5eadb385246309f1c6460690fc768795cfa
grunt. Fixes 14711: Account for list groups in collapsing panels. grunt. grunt

BS3 commits: 68b80836cfdf6b942053470291c31f27c9c1b335,
12091b9567e77f8b503d31860b3115791b072a3b,
f75fc324622df92ffb0edef30dc87536dfba0b26,
5bb08c50fa866a05e657c5f912809ba98c10c1bb
grunt. more grunt. Fixes 14711: Account for list groups in collapsing panels. grunt. grunt

BS3 commits: 68b80836cfdf6b942053470291c31f27c9c1b335,
76268c4b965c247ba012fba257c9b6400d0533eb,
12091b9567e77f8b503d31860b3115791b072a3b,
f75fc324622df92ffb0edef30dc87536dfba0b26,
5bb08c50fa866a05e657c5f912809ba98c10c1bb
more grunt. Fixes 14711: Account for list groups in collapsing panels. grunt

BS3 commits: 76268c4b965c247ba012fba257c9b6400d0533eb,
12091b9567e77f8b503d31860b3115791b072a3b,
5bb08c50fa866a05e657c5f912809ba98c10c1bb
more grunt. Fixes 14711: Account for list groups in collapsing panels. grunt

BS3 commits: 76268c4b965c247ba012fba257c9b6400d0533eb,
12091b9567e77f8b503d31860b3115791b072a3b,
f75fc324622df92ffb0edef30dc87536dfba0b26