Change rspec output format
Add admin field to User
Task 4.
Task 5.
Task 6.

Fix review specs
Task 7.

Fix products controller specs
Task 6.

Fix review decorator specs
Task 11.

Add register/login/logout links to navbar
Add some structure to views files
Task 2.

Add firstname, lastname to devise configuration
Add better_errors gems and configuration
Change navbar brand to link to root
Tidy user model
Task 9.

Review has a user assigned to it
Fix category list item links

And add some style
Fix product list item links

Add some style
Add style to product edit button
Add style to category#show view
Fix prducts#show view style