added model vote
change webserver to thin
changed resources routes
deleted comments view folder
added comments, answers controller
update create action
update create action on comments
drop answer_id column
added answer_id to replies
update create action on comments
update passed params
update passed params
update answer question relation
update destroy action
added resource votes routes
added relation question-votes
added total vote function
added vote function to reply
hide/show comment box
vote partial layout