Week 5 - Checkpoint: Comments
+ Associated Comments with User Id
+ Updated User model to call User.comments
+ Generated Comments Controller
+ Modified seeds.rb to add users to comments
+ Modified seeds.rb to add avatar images to users
+ Add instance variable to post controller show @comment, @comments
+ Added create method to comment controller
+ Nest the comment route under posts
+ Updated ability.rb so members can manage posts
+ Created comments partial to display comments
+ Created comments/form partial to post comments through post/show view
+ Added validation to comment posts