Fixed 2D settings controls

Frontend Angular 4/src/app/layout/plotter/graph2D/graph2D.component.html

@@ -61,7 +61,7 @@
 					<label>
 						<input 	
 							type="checkbox" 
-							name="settings.grid"
+							name="grid"
 							class="form-control form-control-sm"
 							[checked]= settings.grid
 							(click)="toggleGrid()">
@@ -70,7 +70,7 @@
 					<label>
 						<input 	
 							type="checkbox"
-							name="settings.axis"
+							name="axis"
 							class="form-control form-control-sm"
 							[checked]= settings.axis 
 							(click)="toggleAxis()">
@@ -79,7 +79,7 @@
 					<label>
 						<input 	
 							type="checkbox"
-							name="settings.tip"
+							name="tip"
 							class="form-control form-control-sm"
 							[checked]= settings.tip
 							(click)="toggleTip()">

Frontend Angular 4/src/app/layout/plotter/graph2D/graph2D.component.ts

@@ -393,6 +393,7 @@ export class Graph2DComponent {
      */
     public toggleGrid = function () {
         this.instance.toggleGrid();
+        this.settings.grid = !this.settings.grid;
     }
 
     /**
@@ -401,6 +402,7 @@ export class Graph2DComponent {
      */
     public toggleAxis = function () {
         this.instance.toggleAxis();
+        this.settings.axis = !this.settings.axis;
     }
 
     /**
@@ -409,6 +411,7 @@ export class Graph2DComponent {
      */
     public toggleTip = function () {
         this.instance.toggleTip();
+        this.settings.tip = !this.settings.tip;
     }
 
     /**