Update calc.json

Blink is now ok for mixing vh and calc (https://code.google.com/p/chromium/issues/detail?id=168840)
Webkit still can't (https://bugs.webkit.org/show_bug.cgi?id=94158)
Added correct Opera support data on matches() DOM method
data update
Merge pull request #530 from andreasbovens/master

Added correct Opera support data on matches() DOM method
Merge branch 'master' of https://github.com/Fyrd/caniuse
Merge pull request #529 from tancrede/patch-2

Update calc.json
Merge branch 'master' of https://github.com/Fyrd/caniuse
Update Opera support

`srcset` with `x` support now in Opera 21 http://dev.opera.com/blog/opera-21/
Update object-fit.json

according to http://www.chromestatus.com/features/5302669702856704
Update deviceorientation.json

Added an issue in Opera Mobile 12 regarding the `interval` property.
data update
Merge pull request #531 from derekjohnson/patch-1

Update Opera support
data update
Merge pull request #533 from guillaume-simons/patch-1

Update object-fit.json
Merge pull request #534 from AurelioDeRosa/patch-1

Update deviceorientation.json
Merge branch 'master' of https://github.com/Fyrd/caniuse
data update