fixes #162

thanks
Fixes 14443: Only transition what needs transitioning for thumbnails to avoid Safari/Chrome render bug

BS3 commits: e37e06d73e8823c3e5fc062ae68d9d131c4c2bb4
document that fieldset[disabled] is somewhat broken in IE11; fixes 14509

BS3 commits: 3df6ae66c70d0866fe29d51c64f89701101db039
Add Wall of Browser bugs entry for 793

BS3 commits: af5f2213f066159e4bc51c627c4a853fec6ddc0f
add entry for #14528 to Wall of Browser Bugs

BS3 commits: 411a8408a2b0d00c85218ea41e2e099692293ede
Replace nonexistent .col-6 classes in offcanvas example with .col-xs-6

BS3 commits: ce7363e0dbdd2ebe03f58acb37fbe493ebcd1db5
Fixes 14437: Round the corners of table rows in panels as well as the cells

BS3 commits: 5b7a5f84d4255b09778bdc9b3502660cff511a90
Fixed typos involving apostrophes

BS3 commits: 5603311acd6f06c15802ebdae5d94a6b2de6bb22
Fix a clash between focused and hovered buttons

Border of a focused button shouldn't get hidden when the next button in the group is hovered