cleaned up session controller tests and configured spec helper to include facebook oauth test
added tests for user model, added validations for user, updated tests that depend on user.
Merge pull request #66 from red-admirals-2014/session-tests-dan

cleaned up session controller tests and configured spec helper to includ...
fixing merge conflict in sessions controller spec
two sessions controller tests pending due to new validations on user creation
Merge pull request #67 from red-admirals-2014/amy_testing_wed

Amy testing wed
merge conflict with amy's branch
Merged all rspec tests
Refactoring and merging tests