Release v3.0.6
Release v3.0.6
Merge branch 'version-bump' of github.com:DoSomething/ds-neue into version-bump

Resolves conflict with tag generated in error.
Merge pull request #137 from DoSomething/version-bump

Release v3.0.6
Fixes #138.
Using HTML5 main class (as in DoSomething/Paraneue#23).
Merge pull request #139 from DoSomething/nav-z-index

Nav z index
Release v3.0.7