Set Nesta root for local dev/testing.
Switch to responsive design, with Roboto Slab font.
Changed colours from orange to blue.
Use respond.js, add device-width meta tag.
Note responsive design in CHANGELOG.
Fix margin beneath h1 tags outside article listings.
More fine tuning of margin beneath headings.
Removed bottom-margin on images in page body.
Merge branch 'master' of git://github.com/gma/nesta

* 'master' of git://github.com/gma/nesta:
  Removed bottom-margin on images in page body.
  More fine tuning of margin beneath headings.
  Fix margin beneath h1 tags outside article listings.
  Note responsive design in CHANGELOG.
  Use respond.js, add device-width meta tag.
  Changed colours from orange to blue.
  Switch to responsive design, with Roboto Slab font.
  Set Nesta root for local dev/testing.
Ruby update