Styles biz slogan column for logged in customers
Changes relation to business for user model
  * to enable destroy for user
Changes to dashboard according to user type
Now saves user type upon registration (params permission)
Image url has default value in migration
Enables creating new business
Business create working.
search results bar for inbox working
Renders create biz link if no business name
Redirects to edit user path if user first name & last name not filled
Changes to user params for user update path