npm install --save sequelize
npm install --save pg
npm install --save sequelize-cli
sqlize init
sqlize model:create --name User --attributes username:string,password:string
change db config to postgres
wire up Users table

ran these commands:

- createdb socket_io_chat_dev
- sqlize db:migrate
use passport for auth
Revert "don’t send the message to the user that sent it."

This reverts commit e1bf649c3889416831549435af57a53a9ddc61d4.
Revert "prompt for nickname and prepend to messages"

This reverts commit 474e2c146e1911c2710ccc865f61f64bcef8eda8.
have io use same session middleware as app
use nickname based on logged in user
Merge branch 'sequelize'
Merge branch 'passport'
Merge branch 'sockets-with-sessions'