created comments controller and routes
initial vote routes and controller
added 'vote up' button to question page
added new vote variable to questions controller for use in vote form
comments#create outline
update vote routes and controller
added vote down and re-did both vote forms
added uniqueness validation for votes, updated attr_accessible of question model
added answer vote buttons and corresponding logic in controller
display vote tally on question page for questions and answers
removed unneeded actions from votes controller
Merge pull request #30 from feministy/votes

Votes
set up controller to render partial for ajax and created necessary partials
ajax magic for answering questions
Merge pull request #31 from feministy/ajax_answers

Answers are now AJAX-ified
Merge branch 'master' of https://github.com/feministy/stack_overflow into comments
updated associations in user model
Comments (after squashes)
added tags association to user model
added models, migrations for tags and questions_tags