decorator database on server with optional override on client

client\js\Decorators\DecoratorDB.js contains the official decorator list
for each widget (checkd in to source control)
local extension: create a file bin\decorators.js with the content:

/*
* LOCAL DECORATOR FILE TO MIX WITH GLOBAL DECORATORS FILE
* NOTE: DO NOT COMMIT TO SOURCE CONTROL
*/

define([], function () {
"use strict";

return {
'DiagramDesigner': [your decorators' name come here as string array]
};
});