add windows NT 6.3 code name 8.1 support for os family
add test cases for windows 8 & windows 8.1 x86 & ARM
Changing CN match to www.github.com (closes #348)
Merge pull request #292 from lcalvy/master

added support to windows 8.1
Better detection of QQ browsers.
Merge pull request #353 from lostsnow/master

Better detection of QQ browsers.
Merge branch 'master' of https://github.com/tobie/ua-parser