Added sections on RoR+Postgres and RoR test and coverage reporting
Merge pull request #75 from OneRedOak/master

Added sample_scala_postgres to Code Samples
Documentation for Go+Datastore deployment on the GAE

Also discussed is the recommended repository structure
Merge pull request #76 from anowak/heroku-postgres

Added sections on RoR+Postgres and RoR test and coverage reporting
Merge pull request #77 from anowak/go-datastore

Documentation for Go+Datastore deployment on the GAE