added npm to /Users/ftseng/.rvm/gems/ruby-2.0.0-p195/bin:/Users/ftseng/.rvm/gems/ruby-2.0.0-p195@global/bin:/Users/ftseng/.rvm/rubies/ruby-2.0.0-p195/bin:/Users/ftseng/.rvm/bin:/usr/local/share/npm/bin:~/.aws:/usr/local/share/python:/usr/local/bin:/Users/ftseng/.bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin