Fix bug: psot does not run when non yaml files are in the modules folder, e.g....

Fix bug: psot does not run when non yaml files are in the modules folder, e.g. hidden editor swap files. Now hidden files are ignored

bin/config.py

@@ -32,7 +32,7 @@ def load_config_file():
 
 def get_module_manifests():
     mypath = get_modules_location()
-    return [os.path.join(mypath, f) for f in os.listdir(mypath) if os.path.isfile(os.path.join(mypath, f))]
+    return [os.path.join(mypath, f) for f in os.listdir(mypath) if os.path.isfile(os.path.join(mypath, f)) and not f.startswith('.')]
 
 def create_app_config():
     config = {}