configure postgres
configured .rspec to show full docs
added database_cleaner and capybara
added guard
added user sign integration test
create sign in helper method for capybara tests
setup user factory
add capybara selenium driver and launchy
display flash notice for invalid authentication attempt
added migration file so best answer id column can be added to the questions table
Merge pull request #18 from rwarbelow/add_best_answer_column

Add 'best answer' column to Questions table