Refactor and organize user_spec and contribution_spec. Submission_spec and vote_spec changes incomplete
Revise contribution creation to be throught the dare's add_contribution method
Fix data method call to not be an instance, but a direct call to the table
Remove white space. Fixes #28
Merge pull request #37 from Micahcodes/iss-28-Test-Refactoring

Iss 28 test refactoring

Looks good.