PH & TM - Rails Forms and Associations - Paired assignment - Week 5

A marathon of coding that has all but the Orders epic complete. It's not pretty, but it's pretty functional.
This can be partialized very easily. Put everything on lines 31-42 in a file called `_address.html.erb`, then on this line, call `<%= render @addresses %>` (and delete the 'end' on line 43).