setting up questions controller test
add comments controller rspec
Added question_controller spec skeleton
add comment model rspec
add update comments controller rspec
add factory girl that creates a comment object
add comments feature rspec
fix typo
Added initial questions controller tests - deleted Gemfile.lock
delete gemfile.lock
deleted Gemfile.lock
Merge branch 'bev' of https://github.com/sbeverly/dbc_overflow into siyan

Merging Questions controller tests with Comments controller, model and feature tests.
fix comments feature rspec
fix comment model rspec
add comment migration
add comments controller
add comment model and validations
add polymorphic association to comment model
add polymorphic and timestamp to comments migration
add comment controller and action methods