add empty AnswersController
Merge branch 'master' of https://github.com/xander-f/dbcoverflow into siyan
add ability to answer a question if logged in
- nested answers under questions route in routes.rb
- altered answer submit button to reflect route change
add answer delete functionality
use reset_session instead of session[:user_id] = nil
moved edit and delete links to  questions#show view
merged with alex
Merge branch 'siyan' of https://github.com/sbeverly/dbcoverflow