Add ServerConfiguration schema to validate Meteor settings, removed defaultSettings, ran JSCS for DIMSEService package

Packages/worklist/server/validateServerConfiguration.js

@@ -0,0 +1,12 @@
+import { Meteor } from 'meteor/meteor';
+import { check } from 'meteor/check';
+import { ServerConfiguration } from '../both/schema.js';
+
+Meteor.startup(() => {
+    console.log('------ Testing Meteor Settings ------');
+    let config = ServerConfiguration.clean(Meteor.settings);
+    console.log(JSON.stringify(config, null, 2));
+
+    Meteor.settings = config;
+    check(config, ServerConfiguration);
+});