change vw/vh tests to clientWidth rather than innerWidth in case of
scrollbars
add vp9 detect

fixes #1099
Fix typo, flexbox -> flexwrap

flexbox.js already sets a "flexbox" test, this should be flexwrap as comments indicate
Merge pull request #1128 from filaraujo/patch-1

Fixing typo, flexbox -> flexwrap
Merge pull request #1100 from patrickkettner/add-vp9

add vp9 detect
Merge pull request #1084 from patrickkettner/cssvwunit-update

change vw/vh tests to clientWidth rather than innerWidth in case of
update border-image knownbugs to include android 1.*'s buggy rendering
Merge pull request #1130 from patrickkettner/border-image-doc

update border-image knownbugs to include android 1.*'s buggy rendering
fix metadata
Merge pull request #1131 from patrickkettner/border-image-doc

fix metadata