Reorganized files. Adjusted imports to match new locations.

app/js/ui/CTRLPainter.js → app/js/ctrls/CTRLPainter.js

-import Utils from "/app/js/Utils.js";
-import GlobalEvents from "/app/js/EventCaller.js";
+import Utils from "/app/js/common/Utils.js";
+import GlobalEvents from "/app/js/common/EventCaller.js";
 
 const EL_CANVAS_ID = "painter";
 

app/js/ui/CTRLPalettes.js → app/js/ctrls/CTRLPalettes.js

-import GlobalEvents from "/app/js/EventCaller.js";
-import {NESPalette} from "/app/js/NESPalette.js";
+import GlobalEvents from "/app/js/common/EventCaller.js";
+import {NESPalette} from "/app/js/models/NESPalette.js";
 
 const ATTRIB_NESIDX = "nesidx";
 // The two attributes below MUST BOTH be in the element.

app/js/main.js

-import GlobalEvents from "/app/js/EventCaller.js";
+import GlobalEvents from "/app/js/common/EventCaller.js";
 import EmitterElements from "/app/js/ui/Emitters.js";
 import Modal from "/app/js/ui/Modal.js";
-import CTRLPalettes from "/app/js/ui/CTRLPalettes.js";
-import CTRLPainter from "/app/js/ui/CTRLPainter.js";
+import CTRLPalettes from "/app/js/ctrls/CTRLPalettes.js";
+import CTRLPainter from "/app/js/ctrls/CTRLPainter.js";
 //import {NESPainter} from "/app/js/NESPainter.js";
-import {NESPalette} from "/app/js/NESPalette.js";
+import {NESPalette} from "/app/js/models/NESPalette.js";
 
 function on_palette_changed(e){
   if (e.type == "ALL"){

app/js/NESPalette.js → app/js/models/NESPalette.js

-import {EventCaller} from "/app/js/EventCaller.js"
+import {EventCaller} from "/app/js/common/EventCaller.js"
 
 /**
  * Object for manipulating the eight NES palettes.

app/js/ui/Emitters.js

-import GlobalEvents from "/app/js/EventCaller.js";
+import GlobalEvents from "/app/js/common/EventCaller.js";
 
 
 function handle_emitter(event){

app/js/ui/Modal.js

-import GlobalEvents from "/app/js/EventCaller.js";
+import GlobalEvents from "/app/js/common/EventCaller.js";
 
 
 class Modal{