move IE fix to shared
Squashed 'shared/' changes from 3046675..a7a34ac

a7a34ac IE fix
c9b7c75 IE fix
c359d00 add back typography.scss (not sure where it went, to be honest)
049f9f3 fonts, styles and shims for IE
4774989 update header styles
9ade50d analytics partial
6482b12 fix shared header styles
61ad7e4 style fix

git-subtree-dir: shared
git-subtree-split: a7a34ac43a70e90d215547cb765d197756d5954a
Merge commit '2f6f7fb38a777c31e8ca8218b49d23b90f0c35bb'