first commit
adds db and models for user
Merge pull request #1 from banana-slugs-2014/users

adds db and models for user
takes password_digest off user model
Merge pull request #2 from banana-slugs-2014/users

takes password_digest off user model
Add Questions migration and Answers migration
Merge pull request #3 from banana-slugs-2014/question_answer_db

Add Questions migration and Answers migration
Add polymorphic comments table
Require a value for the positive boolean
Add vote model file
Change git ignore
Switch the things to ACTUALLY be comments
Merge pull request #4 from banana-slugs-2014/comment-migrations

Comment migrations, second pass
Add [incomplete] model spec files
Add validation tests for questions & answers
Merge pull request #5 from banana-slugs-2014/question_answer_db

Question answer db
modifies routes file
Merge pull request #6 from banana-slugs-2014/users

modifies routes file
Add Questions, Answers bare-bones controller skeleton
Add Question, Answer routes