group underscore dependency with other dependencies perceived as "core"
introduce sequelize/pg for ORM/persistence layer, add SQL 'migration' to bootstrap a table representing posts, introduce test proving it works.

this test is obviously an integration test but that's ok for now. we can
deal with test separation later when it matters.
try to drunkenly get travis to create a database for me
Merge pull request #9 from twinlabs/introduce-sequelize-orm

Introduce sequelize orm