created tests for answers
added migrations for answers
added answer model and updated question model assoc w/ answer
added answer controller and new view
modifed questions view to incorporate answers
fixed merge conflicts
included restful resources for answers
moved answer form onto question page

the form to create a new answer is on the page for that particular question
updated answer/question controllers accordingly
make sure to include UserHelper
added answer form and functionality to user page
added better_errors gem