Validates email uniqueness for users
Add error message to sign up page
Validate presence of email address
Make error message more descriptive
Add persistent create post functionality and show post page
Refactor code, added image_url to _post.html.erb
Fix indentation, remove empty spaces
Change image_for to image_tag, clean _post partial
Refactored image tag
Remove whitespace from routes
Admin can add a new region

The region an admin creates through the admin control board persists to
regions database.
Admin can now create region specific categories
Fix formating on params & validate uniquness

I vailidated the uniqueness for regions.
Add index for uniqueness in regions migration
Add error messages to admin control board
Fix indentation in admin_options view

My sublime is still having indentation issues. Instead of using tab I
just gave two spaces.