correct weirdness in how user location is set

ruby/lib/jam_ruby/models/user.rb

@@ -221,11 +221,11 @@ module JamRuby
     end
 
     def location= location_hash
-      unless location_hash.blank?
+      unless location_hash.nil?
         self.city = location_hash[:city]
         self.state = location_hash[:state]
         self.country = location_hash[:country]
-      end if self.city.blank?
+      end
     end
 
     def musician?
@@ -776,9 +776,10 @@ module JamRuby
         end
 
         user.admin = false
-        user.city = location[:city]
-        user.state = location[:state]
-        user.country = location[:country]
+        user.location = location
+        # user.city = location[:city]
+        # user.state = location[:state]
+        # user.country = location[:country]
         user.birth_date = birth_date
 
         if musician