fix nav links to end with / to avoid 301 redirect

BS3 commits: 36f098dc07b13c245e9e81ac1302b2b436ee5795
mention 14320 in browser bugs

BS3 commits: 28dd4a4407cbe70ade0b33aa03161c7081c2b213
grunt

BS3 commits: 551306fe9dde347c19c6b8d91a2e9b2dccf0f4c2