Port support for rel urls
Merge pull request #941 from roots/rel_url_f

Port support for rel urls
Remove lang cleanup and fix dir
Fix relative url changes
Merge pull request #943 from roots/rel_url

Fix relative url changes
Merge pull request #942 from roots/language-attributes

Remove lang cleanup and fix dir
Add Grunt badge
Merge remote-tracking branch 'roots/master' into roots-merge