Rails 4 routing and attr_accessible changes
* Routing
** Rails 4 moved the root example from bottom to top of routes file
** the static index.html page is now a dynamic file at welcome#index and not a static file in public

* attr_accessible
** Rails 4 has moved Mass Assignment responsibilities to an external gem
** In order to mass assign object attributes through a model you have to add the strong_paramters gem
updating rails -v references
remove references to attr_accessible
reorder steps for Heroku deployment
Merge branch 'rails-4-changes' of https://github.com/jedschneider/docs into jedschneider-rails-4-changes
Merge branch 'heroku-deploy-order' of https://github.com/AimeeKnight/docs into AimeeKnight-heroku-deploy-order