fixes for not found page and ip banner

app.rb

@@ -390,15 +390,14 @@ get '/admin' do
 end
 
 def ban_site(username)
-  site = Site[username: params[:username]]
-
+  site = Site[username: username]
   return false if site.nil?
-  return false if site.is_banned
+  return false if site.is_banned == true
 
   DB.transaction {
     FileUtils.mv site_base_path(site.username), File.join(settings.public_folder, 'banned_sites', site.username)
     site.is_banned = true
-    site.save validate: false
+    site.save(validate: false)
   }
 
   if !['127.0.0.1', nil, ''].include? site.ip
@@ -423,7 +422,7 @@ post '/admin/banip' do
   end
 
   sites = Site.filter(ip: site.ip).all
-  sites.each {|site| ban_site site.username}
+  sites.each {|s| ban_site(s.username)}
   flash[:error] = "#{sites.length} sites have been banned."
   redirect '/admin'
 end

views/not_found.slim

@@ -6,5 +6,4 @@
     
     p It you believe this to be in error, please <a href="/contact" title="get in touch with us">contact us</a> and report the problem. Thank you!
     - if request.referer
-    
       a class="btn-Action" href="#{request.referer}" Go Back