Correct format icon breakpoints

As requested in https://govuk.zendesk.com/tickets/29655
Align format icons consistently
Merge pull request #163 from alphagov/page-format-icon-position

Correct format icon breakpoints
Add hi-res directgov & business link logos
Add part-description rules for travel advice navigation
Reduce right padding on guide navigation

This will accommodate longer navigation items.
Match vertical spacing with existing guides
Merge pull request #164 from alphagov/part-nav-description

Add part-description rules for travel advice navigation
Update DECC colour variable name and bump toolkit

The latest version of the toolkit has a new name for the DECC variable.
This is to match the slug that they have on gov.uk.

This bumps the toolkit to the newest version and updates that variable
name.
Merge pull request #165 from alphagov/update-decc-variable

Update DECC colour variable name and bump toolkit
Set webkit highlight property just on hyperlinks
Merge branch 'master' of github.com:alphagov/static into htc-longpress-bug
Remove inherited comments
Merge pull request #166 from alphagov/htc-longpress-bug

HTC longpress bug
Match highlight to webkit default
Merge pull request #167 from alphagov/ios-longpress-amends

Match highlight to webkit default
bump plek to 1.0.0

And updated Plek.current.find('assets') with 'static'.
Merge remote branch 'origin/bump-plek-rebased'
Add the Nomensa player JavaScript

It belongs in static so all apps can benifit from it and get new
versions when it gets updated.
Anonymise IP tracking in Google Analytics

Give further privacy to our users.

By calling this function, Google anonymise the IP (by removing the last octet)
before they write anything to disk.

http://support.google.com/analytics/bin/answer.py?hl=en&answer=2763052