add callout about justified button group borders to address 11964

BS3 commits: 71e9db41834ae1f9873e4047033f868be5e98036
Update Respond.js

BS3 commits: 52a964d19b107ed7faf896842a60e93b02e9d28d
Fixes 10492 better

BS3 commits: 340e2f553459a6499d77800658a37724af81dfb0
fixes 10205 Scrollspy Doesn't Support Chinese ID Targets http://mathiasbynens.be/notes/html5-id-class. fixes 10568 - kill hoverstate info once command has been executed. change where modal loads content

BS3 commits: a87b150bc771e3bc6e62fd2ca8a4ea938c48e28c,
1fc08c1973b30a1fc57a241a5bb68566cfc1d981,
fe839e6e78fa07ab422b5d38189bc8f8929cead0