Add questions#vote to create new vote for a question
Add vote_value to attr_accessible
Add vote up link to question
Add vote_value to  attr_accessible for votes model, remove from questions model
Add questions#vote redirect to question page on successful vote create
Add answers#vote
Add vote down link to questions show
Fix syntax error in answers#votes
Add links for answer votes
Merge branch 'create_votes'

Create votes functionality. User can vote on answers and questions.

Need to implement
- Attach user to vote
- Send total vote count in partial to view
Fix merge conflict - syntax error in questions controller