don't add the show more button if there isn't more to show
updating base width, as tablet reduced from 9 to 8 grid units
adding new features collection
take n items earlier in template
extra bits to add new features template
spacing between top stories
adding header colours for sections
moving templates into 'collections' folder, rather than 'trailblocks'
highlights on desktop styling
grouping image styling
correct breakpoint widths
also updating breakpoint comment sizes
Merge pull request #1580 from guardian/fronts-desktop-tweaks

Fronts desktop tweaks