[web] Fixed some dead links.

web/content/docs/tools/meshing/addtoplayer/index.pandoc

@@ -14,7 +14,7 @@ The tool `AddTopLayer` adds one layer of elements with a specified thickness `th
 
 One might want to take care that the material groups are reduced, eg. material groups should not be [0,2,5], but [0,1,2]. The new layer will have the material group number of the highest material group +1.
 
-The tool requires the [OGS-6 node ordering](http://doxygen.opengeosys.org/index.html) in the elements. A different node ordering may lead to unexpected results. In case one might try to change the ordering using the tool [NodeReordering](NodeReordering).
+The tool requires the [OGS-6 node ordering](http://doxygen.opengeosys.org/index.html) in the elements. A different node ordering may lead to unexpected results. In case one might try to change the ordering using the tool `NodeReordering`.
 
 The tool is part of the official [OpenGeoSys git repository](https://github.com/ufz/ogs).
 

web/content/imprint.md

@@ -30,7 +30,7 @@ This website uses a number of external projects:
 - [Hugo](https://gohugo.io/) static website generator together with [Pandoc](https://pandoc.org).
 - [jQuery](https://jquery.org/) JavaScript library, distributed under the [jQuery License](https://jquery.org/license/).
 - [TailwindCSS](https://tailwindcss.com) framework, distributed under the [MIT License](https://github.com/tailwindcss/tailwindcss/blob/master/LICENSE).
-- [Font Awesome](https://fontawesome.com), distributed under the [SIL Open Font License 1.1](https://scripts.sil.org/OFL) and the [MIT License](https://opensource.org/licenses/MIT).
+- [Font Awesome](https://fontawesome.com), distributed under [this license](https://github.com/FortAwesome/Font-Awesome/blob/master/LICENSE.txt).
 - [Roboto font](https://fonts.google.com/specimen/Roboto) and [Open Sans font](https://fonts.google.com/specimen/Open+Sans), both distributed under the [Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0).
 - [Slick Carousel](http://kenwheeler.github.io/slick) JavaScript library, distributed under the [MIT license](https://github.com/kenwheeler/slick/blob/master/LICENSE).
 - [Fancybox](https://fancyapps.com/fancybox/3/) JavaScript library, distributed under the [GPLv3 license](http://choosealicense.com/licenses/gpl-3.0).

web/layouts/partials/footer.html

   {{ partial "global-footer-nav.html" . }}
   </div> <!-- container -->
-  <script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
-  <script src="https://cdn.jsdelivr.net/autocomplete.js/0/autocomplete.jquery.min.js"></script>
-  <script src="https://cdn.jsdelivr.net/algoliasearch/3/algoliasearchLite.min.js"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/fancybox/3.3.5/jquery.fancybox.min.js"></script>
-  <script src="//cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick.min.js"></script>
+  <script src="//code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
+  <script src="//cdn.jsdelivr.net/autocomplete.js/0/autocomplete.jquery.min.js"></script>
+  <script src="//cdn.jsdelivr.net/algoliasearch/3/algoliasearchLite.min.js"></script>
+  <script src="//cdnjs.cloudflare.com/ajax/libs/fancybox/3.3.5/jquery.fancybox.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/slick-carousel@1.8.1/slick/slick.min.js"></script>
 
   {{ $scripts := slice (resources.Get "js/header-anchor.js") (resources.Get "js/osselector.js") (resources.Get "js/sitesearch.js") (resources.Get "js/fancybox.js") | resources.Concat "bundle.js" | minify | fingerprint }}
   <script type="text/javascript" src="{{ $scripts.Permalink }}" integrity="{{ $scripts.Data.Integrity }}" media="screen"></script>

web/layouts/partials/page-info.html

 <div class="text-sm text-grey-darker">
     <p>This article was written by {{ .Params.Author }}. If you are missing something or you find an error please <a href="mailto:ogs-devs@googlegroups.com">let us know</a>.
-        Generated with <a href="https://gohugo.com">Hugo</a> {{ .Hugo.Version }}. Last revision: {{ .Lastmod.Format "January 2, 2006" }} {{ if .IsPage }}<em>
+        Generated with <a href="https://gohugo.io">Hugo</a> {{ .Hugo.Version }}. Last revision: {{ .Lastmod.Format "January 2, 2006" }} {{ if .IsPage }}<em>
             {{ with .GitInfo }}
                 <br>
                 Commit: {{ .Subject }} <a href="https://github.com/ufz/ogs/commit/{{ .AbbreviatedHash }}">{{ .AbbreviatedHash }}</a>