Updated Problems controller with destroy method.
Changed Problems controller to redirect to Rockgym show view after a destroy action.
Added difficulty accuracy rating to Reviews show partial.
Created migration to add rating_string to Reviews.
Added radio buttons for Review difficulty rating and edited Problem show view.
Removed edit link from Problem Reviews and added delete link.
Added a profile link in the navbar partial to edit user details.
Added index link to the navbar via CLIMBKEEPER text.
Ordered reviews by descending creation on problem view page.