test of heroku deployment bug.  add 'foo' to usr/bin/env path in bin/bundle to see if it shows up in the error logs
test of heroku deployment bug.  added 'foo_X' to usr/bin/env path in bin/X where X = bundle, rake, rails to see if it shows up in the error logs
test of heroku deployment bug. bin/rails was the one invoked.  Removed 'foo_X' from files bin/X where X = [bundle, rake, rails], ran dos2unix on each.
Added ruby '2.0.0' to Gemfile, due to warning in heroku deployment saying it was not specified.  See https://devcenter.heroku.com/articles/ruby-versions
added gem 'rails_12factor' to Gemfile
Switch DB config to use postgres not sqlite3: In config/, renamed database.yml to sqlite3.yml and renamed postgresql.yml to database.yml
Minor changes to gemfile, including remove foreman gem
Comment out username from database.yml, because Heroku instructions say to do so.  Also commented out attempts to get a password from environment variables.
Make git ignore VIM swap files
A few minor changes in comments to the database.yml file to reflect verbiage from a more recent heroku project start
ran bundle install