adds Capybara integration
creates integration tests for comments
renames files because rao rao rao
adds associations to answer controller and factory
creates answer timestamps
oh god the merge is coming
Merge branch 'master' of https://github.com/tiger-swallowtails-2013/BrunOverflow into create_new_comments
comments can now be created and seen on question page
cleans out comments, and sets associated factory to random number
change hard-coded body to answer_body
merge conflict now a non-conflict
Merge pull request #6 from tiger-swallowtails-2013/create_new_comments

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