added a submit button to registration form, added new functions in the household controller; fixed a few factories errors so nobody touches is
added registration form and controller actions; added carrierwave file uploader
removed temporary registration, and registration_fields file; also added tshirt size to registration form and removed some unneccessary labels there
removed temporary files added inadvertently
removed temporary student model file and households controller file
added tournament model
Merge pull request #19 from sdford/teamAndBracketRelationships

Added Tournament model and relationships for Team and Bracket Models
Merge branch 'master' into registrationMerged
testing out the nexted form; made some changes to make data fields integer instead of string
populate script is fully functional; added an 'ages_between' method to student