Gemfile now doesn't specify ruby version
ran rails:update:bin
Gemfile added 'ruby "2.0.0"'
Gemfile added "ruby '1.9.3'"
Gemfile now doesn't specify ruby version
fixed the '#!bin/ruby1.9.1' nasty bug
seeds.rb now is not destructive
the app now runs on heroku with ruby 2.0.0. Yay!