adding test for default role on user
adding test for lowercasing of tags on a rating
adding lower case tags test for food
Merge pull request #7 from bbttxu/users

adding test for default role on user
Merge pull request #8 from bbttxu/ratings

adding test for lowercasing of tags on a rating
Merge pull request #9 from bbttxu/foods

adding lower case tags test for food
Merge pull request #10 from bbttxu/cleanup

Cleanup
updating user specs
Merge pull request #11 from bbttxu/users

updating user specs
removing application_helper code that is not used