Added the maps-module to the iwmlib.

Migrated a  ot of the content from the tuesch to the iwmlib.
This is before the decoupeling of the layers.

lib/pixi/scatter.js

@@ -78,6 +78,7 @@ export class ScatterContainer extends PIXI.Graphics {
     get bounds() {
         let x = 0
         let y = 0
+
         // @container: We need to call the constant values, as the container
         // gets resized, when a child moves outside the original boundaries.
         let w = this.container ? this.containerDimensions.x : this.backgroundWidth || this.app.width
@@ -161,9 +162,6 @@ export class ScatterContainer extends PIXI.Graphics {
     }
 
     findHitScatter(data, displayObject, hit) {
-        //     if (hit) {
-        //             console.log("findHitScatter", displayObject)
-        //         }
         if (hit && this.hitScatter === null && typeof displayObject != undefined) {
             this.hitScatter = displayObject.scatter ? displayObject.scatter : null
         }
@@ -203,11 +201,13 @@ export class ScatterContainer extends PIXI.Graphics {
         if (event.claimedByScatter) {
             return null
         }
+
         this.hitScatter = null
         let interactionManager = this.renderer.plugins.interaction
         let displayObject = interactionManager.hitTest(local, this)
         if (displayObject != null && displayObject.scatter != null) this.hitScatter = displayObject.scatter
         if (this.claimEvents) event.claimedByScatter = this.hitScatter
+
         return this.hitScatter
     }