Update to Jekyll Assets 3

Switch to Yarn and update gems (#25)

Merge pull request #22 from nielsenramon/nr-update-ruby

Update Ruby to 2.4.0 + small improvements

Add includes for head and javascripts and update bower vendor location

Fix identation issue in config

Merge pull request #18 from nielsenramon/nr-update-versions

Update versions + use new html-proofer syntax + add og-image + update README + bump version

Bump version

Merge pull request #13 from nielsenramon/nr-circle

Add circle configs

Bump version

Bump version