Create text_editor_Submenu

necessary for smooth Scripting Experience.
Update __init__.py

added Text Editor Templates menu to seek in `node_script_templates` folder.
TextEditor -> Templates -> Sv NodeScripts
Update node_Objects.py

i don't think this brakes anything...
Rename text_editor_Submenu to text_editor_Submenu.py
Merge pull request #44 from nortikin/master

sync