title: Updating Ruby 2.2.3 to Current
body: <p>I received a ruby on rails application that was written three years ago 
  (Rails 4.2.1)</p>
  
  <p>I need to update everything to current version of ruby, rails, rvm, bundler, rbenv, gems, etc... </p>
  
  <p>Please help on process to achieving the update and the app to run not only locally but live.  </p>