restructure new navigation so that it displays different items in top bar vs global nv
Merge remote-tracking branch 'origin/master' into nav-restructure
remove temp hack that hides extra sections
Increase Read Timeout
make services links thinner
Add libpng to the local install requirements
show header popup menus on top of site navigation bar
display header popup menus top border
Merge pull request #5112 from guardian/header-fixes

Header fixes
Ensure video container images are always upgraded
Merge pull request #5113 from guardian/video-in-section

Ensure video container images are always upgraded
Merge pull request #5107 from guardian/kc-travel-feed

Increase Read Timeout for Travel Offers Feed
Merge remote-tracking branch 'origin/master' into nav-restructure
Merge pull request #5104 from guardian/nav-restructure

Nav restructure
Merge pull request #5111 from guardian/libpng-docs

Add libpng to the local install requirements
Merge remote-tracking branch 'origin/master' into services-links-styling

Conflicts:
	common/app/assets/stylesheets/base/_helpers.scss
	common/app/assets/stylesheets/layout/_header.scss