fixed missing folder in start scheduler

gluon/fileutils.py

@@ -291,9 +291,7 @@ def w2p_unpack(filename, path, delete_tar=True):
     if delete_tar:
         os.unlink(tarname)
 
-
-def create_app(path):
-    w2p_unpack('welcome.w2p', path)
+def create_missing_folders(path):
     for subfolder in ('models', 'views', 'controllers', 'databases',
                       'modules', 'cron', 'errors', 'sessions',
                       'languages', 'static', 'private', 'uploads'):
@@ -301,6 +299,9 @@ def create_app(path):
         if not os.path.exists(subpath):
             os.mkdir(subpath)
 
+def create_app(path):
+    w2p_unpack('welcome.w2p', path)
+    create_missing_folders(path)
 
 def w2p_pack_plugin(filename, path, plugin_name):
     """Packs the given plugin into a w2p file.

gluon/widget.py

@@ -23,7 +23,7 @@ import logging
 import getpass
 
 from gluon import main, newcron
-from gluon.fileutils import read_file, create_welcome_w2p
+from gluon.fileutils import read_file, create_welcome_w2p, create_missing_folders
 from gluon.console import console
 from gluon.settings import global_settings
 from gluon.shell import die, run, test
@@ -368,6 +368,7 @@ class web2pyDialog(object):
 
     def try_start_scheduler(self, app):
         if app not in self.scheduler_processes:
+            create_missing_folders(os.path.join(self.options.folder, 'applications', app))
             t = threading.Thread(target=self.start_schedulers, args=(app,))
             t.start()