Implement 'Reset to defaults' for printer settings

SlicerConfiguration/SliceSettingsDetailControl.cs

@@ -122,6 +122,22 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 
 		private bool RestoreAllSettingsMenu_Click()
 		{
+			string warningMessage = "Resetting to default values will remove your current overrides and restore your original printer settings.\r\nAre you sure you want to continue?";
+			StyledMessageBox.ShowMessageBox(
+				revertSettings =>
+				{
+					if (revertSettings)
+					{
+						// TODO: We should offer to export the settings before the purge
+						ActiveSliceSettings.Instance.UserLayer.Clear();
+						ActiveSliceSettings.Instance.SaveChanges();
+						ApplicationController.Instance.ReloadAdvancedControlsPanel();
+					}
+				}, 
+				warningMessage.Localize(), 
+				"Revert Settings".Localize(), 
+				StyledMessageBox.MessageType.YES_NO);
+
 			return true;
 		}
 
@@ -132,7 +148,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 			{
 				{ "Import".Localize(), ImportSettingsMenu_Click },
 				{ "Export".Localize(), ExportSettingsMenu_Click },
-				{ "Restore All".Localize(), RestoreAllSettingsMenu_Click },
+				{ "Reset to defaults".Localize(), RestoreAllSettingsMenu_Click },
 			};
 
 			//Add the menu items to the menu itself