Edit specs
Merge pull request #4 from benstafford/patch-3

Edit specs
Add some styling to make things a tad easier to see
Create CHANGLOG.md
DRY up posts controller
Add and edit comments
Add ability to delete comments.
View comments on posts page.
Remove equal sign to prevent the raw objects from being displayed
Add User model that uses has_secure_password
Add ability to sign in.
WIP
Associate user to post and show associated user on post display
Fix tests that broke after associating user to post