Changed ot use app.js
New app file based on "The Book"
Added jade and see main as app.js
Removed old bitstarter Postgres based model files
Added initial "Book" files
Include fiels from "the book ch08" NOTE: views need two versions of Contact and Status: there is a bug, need to reduce to one
Added process.env.MONGOLAB_URI
Heroku fix: changed to use process.env.PORT
Added compile error