Perl bindings are name crypto::sodium
Merge branch 'master' of https://github.com/jedisct1/libsodium-doc

* 'master' of https://github.com/jedisct1/libsodium-doc:
  Don't capitalize Lua
  Batch interface for crypto_box_easy()
  Link to the release
  + clean wrappers for the Emscripten compiled version
  Add the PGP key
  Consider Gitian
  + roadmap