v3.1.0

Sass

Update to [email protected] and LibSass 3.4.3.

• Node Sass changelogs
  • https://github.com/sass/node-sass/releases/tag/v4.1.0
  • https://github.com/sass/node-sass/releases/tag/v4.1.1
  • https://github.com/sass/node-sass/releases/tag/v4.2.0
• LibSass changelogs
  • https://github.com/sass/libsass/releases/tag/3.4.1
  • https://github.com/sass/libsass/releases/tag/3.4.2