add a fake rails app so we can properly test capybara.
add some tests for view model
allow stubbing with capybara. fixes #48.
Revert "add a fake rails app so we can properly test capybara."

This reverts commit fe62d7bf6d8530a957c07e139f7a695e46e75b51.
no-capybara style test.
releasing 0.2.2.