Merge pull request #5 from kbasma/katia_trying_to_fix_shit

adding comments to questions and adding answers to questions
displays all of the question's answers in question#show view
Merge branch 'master' into answering_questions

Conflicts:
	app/controllers/questions_controller.rb
	app/views/questions/show.html.erb
adds migration for votes
creates polymorphic associations between votes and questions/answers
adds routes for votes
Merge pull request #6 from kbasma/votes

Votes
Merge branch 'master' into katia_trying_to_fix_shit
added new and create actions for the comments controller
created separate form if comment is for an answer (rather than a question)
Changed some line spacing
added link for commenting on answers
changed format of answers (so it's prettier)