Add comment table and model
Add content presence validation to comment model
installed clearance gem, implemented user sign in, sign out
Add create action to comment controller
Add test to confirm blank comments are not created
Add comments and form to post comment to question show view.
Add FactoryGirl to tests.
Add time comment was posted on question show view.
Merge pull request #1 from Steveo1485/add-user-login

installed clearance gem, implemented user sign in, sign out
Resolving merge conflicts
Merge pull request #2 from Steveo1485/guest_comment_on_question

Box in a Box!
Merge pull request #10 from gopher-snakes-2013/merge-outside-help

Merge outside help