grunt

BS3 commits: 0be94180b99cec9be239124c666721e40fbfbc97
Add missing `.small` styles and docs

BS3 commits: b5f9cc20578fb57b2b69e10cf32bba55f9c940e4
Make .container mixin-friendly by moving the width declarations within one class. Remove outline from carousel controls on focus. Add missing `.small` styles and docs

BS3 commits: 9d939080e6536277ec47d19e113bff7376489ff9,
d654f905028a40893fa553f529d12dceec879cf7,
b5f9cc20578fb57b2b69e10cf32bba55f9c940e4