posts index and new post form
add link to new post form page
add functionality for user to create a comment and test it
add associations to factories.rb
whitespace
test for comment creation
user should not be able to create a blank comment. add test for redirect to post show page after comment.
add deleting posts funcitonality
better user authorisation for post deletion
show flash messages
fix destroy tests
Show comments on post show page
fix syntax errors and rid whitespace in posts_controller_spec
Refactor comments_controller_spec by removing redundant let statements
Test post associations to make sure it belongs to user
Merge pull request #1 from in15/master

Delete comments, index posts, have new comments, have new posts and all associated tests