Revert "Initial commit of the super awesome Rails 4 + pg rewrite / refactor"

This reverts commit c887e6a8d8bf4b9dd9594a1aea3d484bcf4aae49.
Revert c887e6a..30b5b62

This rolls back to commit c887e6a8d8bf4b9dd9594a1aea3d484bcf4aae49.
Switched DB to postgres