Merge branch 'hotfix/0.5.6'

* hotfix/0.5.6:
  ensure links have modifiers
  bump version to 0.5.6
bump version to 0.5.7
add responsive tag to layout
Merge branch 'hotfix/0.5.7' into develop

* hotfix/0.5.7:
  add responsive tag to layout
  bump version to 0.5.7