Maya: AssetManager: 1. Added create_prop_base_setup() method to asset_manager_functionality.py to do the base setup for the props (groups, locators, manips), in a quick, convenient and consistent way. 2. Added asset_manager_line_edit_and_button_action.py module that holds a widget action providing a line edit and a button that emits a signal with the content of the line edit. Ideal to trigger function that expect a string as a parameter.