Made user profile page show hostname of user's IP address.

app/controllers/users_controller.rb

@@ -22,6 +22,12 @@ class UsersController < ApplicationController
       flash.now[:alert] = "An error occured while checking if this user is banned from the server!"
       @ban_json = nil
     end
+
+    begin
+      @hostname = Resolv.new.getname(@user.last_ip)
+    rescue
+      @hostname = "No hostname found."
+    end
   end
 
   # SIGNUP