move accepts nested attributes below associations
initialize prices with an amount of zero so that conference item is valid upon initialization

revisit this later, coupling is too high
add tests for discount model
extract the conference item discount pricing into a partial
make conference active by default
add tests for itinerary
add tests for LineItem
add tests for payment
add spork for faster tests

don’t have to load rails each time
add some dev tools
add capybara and module to help with devise signing
add longer secret token for travis
used conference year in url [fixes #70479606]
Merge pull request #23 from awguild/conference-url

used conference year in url [fixes #70479606]
move check price logic out of controller into validation
Merge pull request #22 from awguild/tests

move accepts nested attributes below associations