fixed all errors with seeding.  There was a problem where occasionally it would seed an invalid user, and it was causing the server to give bad responses
removed all spaces in usernames
Merge pull request #19 from oconn/seeds

fixed all errors with seeding.  There was a problem where occasionally i...
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Merge pull request #20 from oconn/seeds

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stupid uneven arrows added to question view
Merge branch 'up_vote_feature' of https://github.com/oconn/stack_overflow_clone into up_vote_feature

updating vote routes
added up/down vote feature for questions
added up/down voting to answers
add updown votes to answers
fix merge conflicts