Load fonts asynchronously on Windows
Simplify user agent detection
Merge branch 'master' of github.com:guardian/frontend into webfonts-windows

Conflicts:
	Gruntfile.js
Browsers getting hinted fonts are explicitely declared
Font-face calls are declared before we load CSS
Coding conventions
Exclude Windows from loading webfonts in LocalStorage
Globalize platformsGettingHintedFonts and fix condition
Merge pull request #1936 from guardian/webfonts-windows

Load hinted webfonts in Windows