Merge pull request #17 from chinenyem/master

styling devise
added categories and questions to seed.rb file, yay math
Merge branch 'master' of github.com:TIY-Q3-ROR-CHS/Team5
Merge pull request #18 from jgkingston/master

Populated seed file
Merge branch 'master' of github.com:TIY-Q3-ROR-CHS/Team5
styling