Module widget support
Module widget support and also better visibility of available system widgets.
This would alter the following pieces:
CB helper widget methods
UI for Widget selectors and lists
Widget Renderer Markup
A module widget will be called with an @ address:
The same will be for the triple mustache markup
The UI will need to display the available core + layout + module widgets as well.
Modules will need to register their available widgets upon loading and the module service will keep track of them.