remove user_id and topic_id fields
added db:drop and db:seed
changed topic to include foreign keys
adding .gitignore to ignore files or something like that
removed database from local git branch
migrations updated with foreign keys (belongs_to)
added rspec and shoulda gems to Gemile
add first rspec tests
Merge pull request #3 from tiger-swallowtails-2013/db_setup

Updated AR Associations, added rake drop & seed methods, setup rspec using shoulda