add server/config/README.md
making server easier to deploy
simplify public/secret key generation
improve docs, remove unnecessary code in gen_keys.js
refactor crypto.js to use new pub/secret key files
merge master
#30 add key generation to .travis.yml
#30 improve docs, scripts/gen_keys.js can actually be run from anywhere
Merge pull request #34 from mozilla/simplify-keypair-generation

Simplify keypair generation