add questions and answers table
create answers model/migration
generate questions table with rspec
add presence validations to question model
change question model tests to be more specific
create answer tests and model corresponding model validations
add shoulda matchers association in questions table
user model tests complete
create outline for question controller
create outline for answer controller
remove wrong spec outline from user controller file
Merge pull request #3 from iMuzz/create_question_answer_models

Create question answer models