Update css-gencontent.json

WebKit does support transitions on pseudo-elements.

http://trac.webkit.org/changeset/138632
Update namevalue-storage.json

Added a note, safari and ios safari don´t support to set localStorage in private browsing mode.
move firefox to partial because of a known bug

the main use case is for SVG background images is to be scaled 
arbitrarily without being blurry, but that use case results in 
blurred images in firefox.
added note explaining the partial state
H.264 support for Firefox 20/21
data update
Merge pull request #152 from doot0/patch-1

Update css-gencontent.json
pull namevalue-storage patch
merge patch
Merge branch 'jensbambauer-patch-1'
Merge branch 'master' of github.com:Fyrd/caniuse
apply patch
Update input-number.json

https://bugzilla.mozilla.org/show_bug.cgi?id=344616

Bug still open, html5test won't show the feature either on Firefox 23.
data update
Merge pull request #164 from silverwind/patch-1

Update input-number.json
Add Web Cryptography feature

Related feature request:
http://www.google.com/moderator/#15/e=ae425&t=ae425.40&f=ae425.68f72a&q=
ae425.68f72a
Update ruby.json
Update input-number.json
Update details.json
Update input-color.json