Make the specs pass.
The joy of TDD part 1: wrote a spec that catches a bug in the New account form
The joy of TDD, part 1a. The spec didn't catch the bug properly, now it does.
Small change in routes, creates the helper function 'home_path'
The joy of TDD part 2 of 2. Fix a bug when creating new account.
 No route matches {:action=>"edit", :controller=>"accounts", :id=>nil}