Bunch of wording changes.

imports/ui/Admin/SlideshowEditor.js

@@ -2,6 +2,8 @@
 import './SlideshowEditor.html';
 import '/imports/ui/dialogs/SelectImageDialog.js';
 import swal from "sweetalert2";
+import {Session} from 'meteor/session';
+import {Meteor} from 'meteor/meteor';
 
 const PREFIX = "SlideshowEditor_";
 
@@ -114,7 +116,7 @@ Template.SlideshowEditor.events({
 		let slideshow = Session.get(PREFIX + 'selectedSlideshow');
 		
 		if(slideshow) {
-			swal({
+			swal.fire({
 				title: 'Are you sure?',
 				text: "You won't be able to revert this!",
 				type: 'warning',