Clean up image folder names and remove unused icon images

css/tools.css

@@ -91,47 +91,46 @@
  */
 
 .tool-paint-bucket .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/paint-bucket.png) 12 12, pointer;
+  cursor: url(../img/icons/paint-bucket.png) 12 12, pointer;
 }
 
 .tool-vertical-mirror-pen .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/vertical-mirror-pen.png) 5 15, pointer;
+  cursor: url(../img/icons/vertical-mirror-pen.png) 5 15, pointer;
 }
 
 .tool-pen .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/pen.png) 0 15, pointer;
+  cursor: url(../img/icons/pen.png) 0 15, pointer;
 }
 
 .tool-eraser .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/eraser.png) 0 15, pointer;
+  cursor: url(../img/icons/eraser.png) 0 15, pointer;
 }
 
 .tool-stroke .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/pen.png) 0 15, pointer;
+  cursor: url(../img/icons/pen.png) 0 15, pointer;
 }
 
 .tool-rectangle .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/rectangle.png) 0 15, pointer;
+  cursor: url(../img/icons/rectangle.png) 0 15, pointer;
 }
 
 .tool-circle .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/circle.png) 2 15, pointer;
+  cursor: url(../img/icons/circle.png) 2 15, pointer;
 }
 
 .tool-move .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/hand.png) 15 15, pointer;
+  cursor: url(../img/icons/hand.png) 15 15, pointer;
 }
 
 .tool-rectangle-select .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/select.png) 15 15, pointer;
+  cursor: url(../img/icons/select.png) 15 15, pointer;
 }
 
 .tool-shape-select .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/wand.png) 15 15, pointer;
+  cursor: url(../img/icons/wand.png) 15 15, pointer;
 }
 
 .tool-colorpicker .drawing-canvas-container:hover {
-  cursor: url(../img/tools_legacy/dropper.png) 0 15, pointer;
 }
 
 .tool-grid,
@@ -145,6 +144,7 @@
   padding: 5px 0 0 5px;
   height: 25px;
   cursor : default;
+  cursor: url(../img/icons/dropper.png) 0 15, pointer;
 }
 
 .tool-color-picker input {