add note about firefox broken sandbox support. fixes #955
Merge pull request #1264 from patrickkettner/update-history-ua-snif

update history ua snif, fixes #891
Merge pull request #1266 from patrickkettner/oldffsandbox

add note about firefox broken sandbox support. fixes #955
Updated spec link (fixes #1268)
fix docs typo
Update video.js

Answering @darcy's twitter challenge.
Merge pull request #1271 from svinkle/patch-1

Update video.js
add sticky positioning knownBug, fixes #1111