`rails new`
Move database configuration into an example file.
Install rspec-rails.
Installed capybara, wrote a failing feature spec, and implemented a
very basic welcome page to make it pass.
Begin implementing view campaigns spec with a user-oriented integration
test.  Also added :should syntax for testing.
Converted project to HAML.
Began to implement campaign controller.
Began implementing new campaign controller, and installed simple_form
gem.
Completed add campaign path.
Implemented validations for campaigns.
Installed Fabrication gem.
Completed add target path, created fabricators for campaigns and
targets.
Completed show target path.
Minor edits to show page.
In progress - caller saves response
Devise implemented, tests pass (exception: have_error checks)
Tests for have_error now pass.
TypeError: no implicit conversion of Symbol into String
Target updated with :has_been_called, one response recorded.
Caller can enter multiple responses.