Initial commit
Implements models, migrations, and routes for user, question, answer and vote objects
Adds controller files and a helper method for determining logged in user
User can signup
User can login
Authenticated users can post questions
Authenticated users can post answers to questions. Any user may view all questions and related answers
Fixes user authentication bug. Minor CSS styling changes
Records and displays author of answers
Replaced polymorphic association of votes
Implements basic voting without repeat vote validation
Adds vote functionality to questions
Adds CSS slidetoggle effect to answer divs
Implements polymorphic association for Votes. Logged in users can only vote once
Question author can select best answer
Encrypts user password with Scrypt
Adds base rspec spec files
Adds passing model tests
Adds some passing controller tests
Merge pull request #1 from henryh28/henry

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