factories.rb: added factory for tag, updated card factory -- needs
Random.rand instead of rand.
card_spec.rb: added association, nested attribute tests; test for method
Added test for to_param. Instead of returning tag id, using tag
urls will return tag name.
Tested password_required? method in User.
added tests for User order methods in user_spec.rb
removed user id from factories.rb - did not need it
1. Finished user_spec testing for all methods
2. Add devise_keys to devise_keys.yaml ; need them to run rspec
3. Created facebook_accesstoken_for_rpsec.rb in config dir. added to
gitignore.
4. New dir: vcr_cassettes created in APP_ROOT to record FB API calls.
Merge branch 'rspec'
Finished the user model testing