add toAeson.
add ranking, package JSON API.
fix cabal dependencies.
basic api complete.
Merge branch 'develop' of github.com:philopon/best-haskell into develop
add memcached cache.
fix for heroku.
scratch.
add dependencies.
fix deploy file.
update server.
Merge branch 'develop' of github.com:philopon/best-haskell into develop
add dependencies.
add cache
update dependencies.
scaffold index page.
add root js action.
update index, add category page.
update deploy/files.
par package info page.