replace CDN links with local libraries

shared/index.js

@@ -42,7 +42,7 @@ function adjustPdfannotatorNavbar(Y) {
 function startIndex(Y,_cm,_documentObject,_userid,_capabilities, _toolbarSettings, _page = 1,_annoid = null,_commid = null){ // 3. parameter war mal _fileid
     // Require amd modules.
-    require(['jquery','core/templates','core/notification'], function($,templates,notification) {
+   require(['jquery','core/templates','core/notification','mod_pdfannotator/jspdf'], function($,templates,notification,jsPDF) {
         var currentAnnotations = [];
 /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache

shared/statistic.js

@@ -7,7 +7,7 @@
 
 // R: The first parameter has to be Y, because it is a default YUI-object (demanded by moodle).
 function setCharts(Y, names, otherquestions, myquestions, otheranswers, myanswers) {
-
+    require(['core/chartjs'], function (Chart) {
         // On small screens set width depending on number of annotators. Otherwise the diagram is very small.
         let width = Math.max(names.length * 25, 300);
         width = names.length * 40;
@@ -84,6 +84,7 @@ function setCharts(Y, names, otherquestions, myquestions, otheranswers, myanswer
             }
         });
 
+    });
 }
 
 function calculateMax(otherquestions, myquestions, otheranswers, myanswers) {

templates/index.mustache

 <!--working:-->
 <!--<script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/0.4.1/html2canvas.js"></script>-->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.4.1/jspdf.debug.js"></script>
 
 <div id='pdfannotator_index' class='pdfannotator_index'>
 

templates/statistic.mustache

-<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.8.0/Chart.bundle.min.js" charset="utf-8"></script>
-
 <div class="pdfannotator-statistic">
     
     <div class="row">

version.php

@@ -25,6 +25,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'mod_pdfannotator'; // Full name of the plugin (used for diagnostics).
-$plugin->version   = 2019121000; // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2020020300; // The current module version (Date: YYYYMMDDXX).
 $plugin->release  = 'PDF Annotator v1.3 release 2';
 $plugin->requires  = 2016112900; // Requires this Moodle version.