Turn Thumbnails into Links
Merge pull request #13 from Metis-AAE/images-to-links

Turn Thumbnails into Links
add user show page
Merge pull request #14 from Metis-AAE/az-user_show

add user show page
Create a NullUser
Change Error thrown when not authorized

* No longer raises error
* Renders 401 (Not Authorized)
Only a owner can edit or delete a post

* Applied logic to Guest User
* Created a helper to check ownership
Merge pull request #15 from Metis-AAE/images-to-links

Create a NullUser and Refactored
Fetched new code