replace .rvmrc with .ruby-version and .ruby-gemset
rails 4 compatibility. have to name the root route something else otherwise rails complains when it overwrites it.
render template, not partial. surprised this ever worked.
i don't think we need the 404 handler anymore. let's get a stack trace, if we can.
add layout helper.
add link_to, link_to_current, and link_to_nav helpers.
release v1.5.0.