added comments table and model, as polymorphic
small changes to comment
fixed merge conflicts
Merge pull request #15 from aarondufall/comments

Models and migration ready to go, for comments
Answers resource
Total hack to get empty field validation working with nicEdit
basic Question and Answer page
Style tweaks
Added answers controller with create action
minor tweeks
Added @answers instance to show action
Merge pull request #23 from aarondufall/UI

Question & Answer functionality
started on votes
user model updated with associations
Merge pull request #24 from aarondufall/votes

User model update and vote model update
megre confilct resolved