Dox: Re-generate using Doxygen 1.8.20

This fixes a GitHub Dependabot alert regarding jquery.js.

Fixes #421

doc/html/menudata.js

@@ -0,0 +1,33 @@
+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
+
+ The MIT License (MIT)
+
+ Copyright (C) 1997-2020 by Dimitri van Heesch
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ and associated documentation files (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or
+ substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
+*/
+var menudata={children:[
+{text:"Main Page",url:"index.html"},
+{text:"Modules",url:"modules.html"},
+{text:"Data Structures",url:"annotated.html",children:[
+{text:"Data Structures",url:"annotated.html"},
+{text:"Data Structure Index",url:"classes.html"},
+{text:"Data Fields",url:"functions.html",children:[
+{text:"All",url:"functions.html"},
+{text:"Variables",url:"functions_vars.html"}]}]}]}