reduced mod_wsgi threads to 1 to avoid nilmdb errors

modules/nilmdb/manifests/install.pp

@@ -28,7 +28,7 @@ class nilmdb::install{
     wsgi_process_group => 'nilmdb-wsgi',
     wsgi_script_aliases => {'/nilmdb'=>'/etc/nilmdb/nilmdb.wsgi'},
     wsgi_daemon_process => {'nilmdb-wsgi'=>{
-      threads => '32',
+      threads => '1',
       user => 'nilmdb',
       group => 'nilmdb',
     }},