create logdir for whenever (correct this time)

config/deploy.rb

@@ -24,11 +24,12 @@ namespace :deploy do
   end
 
   task :create_whenever_log_dir do
-    within release_path do
-      execute :mkdir, 'log/whenever'
+    on roles(:all) do
+      within release_path do
+        execute :mkdir, 'log/whenever'
+      end
     end
   end
-
 end
 
 after :deploy, 'deploy:create_whenever_log_dir'