Adjust ExtraMetadata type

src/demo/app/metamodel.d.ts

@@ -1,15 +0,0 @@
-import { Flo } from 'spring-flo';
-export interface RawMetadata {
-    name: string;
-    group: string;
-    description: string;
-    properties: Array<Flo.PropertyMetadata>;
-}
-export declare class Metamodel implements Flo.Metamodel {
-    private rawData;
-    constructor();
-    textToGraph(flo: Flo.EditorContext, dsl: string): void;
-    graphToText(flo: Flo.EditorContext): Promise<{}>;
-    load(): Promise<Map<string, Map<string, Flo.ElementMetadata>>>;
-    groups(): Array<string>;
-}

src/lib/src/editor/editor.utils.d.ts

@@ -1,5 +0,0 @@
-import { dia } from 'jointjs';
-export declare class Utils {
-    static fanRoute(graph: dia.Graph, cell: dia.Cell): void;
-    static isCustomPaperEvent(args: any): boolean;
-}

src/lib/src/shared/flo.common.ts

@@ -22,9 +22,9 @@ export namespace Flo {
   }
 
   export interface ExtraMetadata {
-    readonly titleProperty : string;
-    readonly noEditableProps : boolean;
-    readonly noPaletteEntry : boolean;
+    readonly titleProperty? : string;
+    readonly noEditableProps? : boolean;
+    readonly noPaletteEntry? : boolean;
     readonly [propName : string] : any;
 
     readonly allowAdditionalProperties : boolean; //TODO: Verify it is still needed