remove dependency on iconv, which is now deprecated in Ruby 2

As per: http://stackoverflow.com/questions/16032241/ruby-2-0-iconv-replacement
Add whois command
update Gemfile to use Rails 4
Add pg as a dependency
Add pg as a dependency
Use Bundler to ensure dependencies are in place
Correct timestamp on boot
move person finding logic into its own method
Need to require Cucumber in migration.rb