docs: Correct links

Change-Id: I6dab30bfbca034ff0071f6d49cd0e0fd6f713494
diff --git a/docs/source/_templates/indexcontent.html b/docs/source/_templates/indexcontent.html
index 6254b41..71289dd 100644
--- a/docs/source/_templates/indexcontent.html
+++ b/docs/source/_templates/indexcontent.html
@@ -6,7 +6,7 @@
 
     <p>
 This website includes the ndnSIM documentation and is intended to help the community use the simulator for NDN experimentation. It is not intended to present the principles or the design of the NDN architecture and communication model.
-We invite you to <a href="http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim" target="_blank">join our mailing list</a> to see and participate in discussions about ndnSIM implementation and simulations in general (<a href="http://www.lists.cs.ucla.edu/pipermail/ndnsim/" target="_blank">mailing list archives</a>).
+We invite you to <a href="https://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim" target="_blank">join our mailing list</a> to see and participate in discussions about ndnSIM implementation and simulations in general (<a href="https://www.lists.cs.ucla.edu/pipermail/ndnsim/" target="_blank">mailing list archives</a>).
     </p>
 
   {% block tables %}
@@ -61,14 +61,14 @@
         <div class="tile">
           <p class="biglink"><a class="biglink" href="#">ndnSIM 2.7</a><br/>
             <span class="linkdescr">latest version</span></p>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.6/">ndnSIM 2.6</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.5/">ndnSIM 2.5</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.4/">ndnSIM 2.4</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.3/">ndnSIM 2.3</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.2/">ndnSIM 2.2</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.1/">ndnSIM 2.1</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/2.0/">ndnSIM 2.0</a><br/>
-          <p class="biglink"><a class="biglink" href="http://ndnsim.net/1.0/">ndnSIM 1.0</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.6/">ndnSIM 2.6</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.5/">ndnSIM 2.5</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.4/">ndnSIM 2.4</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.3/">ndnSIM 2.3</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.2/">ndnSIM 2.2</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.1/">ndnSIM 2.1</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/2.0/">ndnSIM 2.0</a><br/>
+          <p class="biglink"><a class="biglink" href="https://ndnsim.net/1.0/">ndnSIM 1.0</a><br/>
         </div>
       </td>
     </tr>
@@ -85,10 +85,10 @@
             </li>
               <ul style="padding-left:30px">
                 <li>
-                S. Mastorakis, A. Afanasyev, and L. Zhang, "On the Evolution of ndnSIM: an Open-Source Simulator for NDN Experimentation," ACM SIGCOMM Computer Communication Review (CCR), July 2017 (<a class="reference external" href="https://ccronline.sigcomm.org/wp-content/uploads/2017/08/sigcomm-ccr-final112-full-letter.pdf">PDF</a>) (<a class="reference external" href="http://web.cs.ucla.edu/~mastorakis/bibtex-ndnsim">BibTex</a>)
+                S. Mastorakis, A. Afanasyev, and L. Zhang, "On the Evolution of ndnSIM: an Open-Source Simulator for NDN Experimentation," ACM SIGCOMM Computer Communication Review (CCR), July 2017 (<a class="reference external" href="https://ccronline.sigcomm.org/wp-content/uploads/2017/08/sigcomm-ccr-final112-full-letter.pdf">PDF</a>) (<a class="reference external" href="https://web.cs.ucla.edu/~mastorakis/bibtex-ndnsim">BibTex</a>)
                 </li>
                 <li>
-                S. Mastorakis, A. Afanasyev, I. Moiseenko, and L. Zhang, &#8220;ndnSIM 2: An updated NDN simulator for NS-3,&#8221; NDN, Technical Report NDN-0028, Revision 2, 2016 (<a class="reference external" href="https://named-data.net/wp-content/uploads/2016/11/ndn-0028-2-ndnsim-v2.pdf">PDF</a>) (<a class="reference external" href="http://lasr.cs.ucla.edu/afanasyev/bibwiki/bibtex/399">BibTex</a>)
+                S. Mastorakis, A. Afanasyev, I. Moiseenko, and L. Zhang, &#8220;ndnSIM 2: An updated NDN simulator for NS-3,&#8221; NDN, Technical Report NDN-0028, Revision 2, 2016 (<a class="reference external" href="https://named-data.net/wp-content/uploads/2016/11/ndn-0028-2-ndnsim-v2.pdf">PDF</a>) (<a class="reference external" href="https://users.cs.fiu.edu/~afanasyev/assets/bibtex/tr-mastorakis2016ndnsim.html">BibTex</a>)
                 </li>
               </ul>
             <li>
@@ -96,7 +96,7 @@
             </li>
               <ul style="padding-left:30px">
                 <li>
-                A. Afanasyev, I. Moiseenko, and L. Zhang, &#8220;ndnSIM: NDN simulator for NS-3,&#8221; NDN, Technical Report NDN-0005, 2012 (<a class="reference external" href="https://named-data.net/wp-content/uploads/TRndnsim.pdf">PDF</a>) (<a class="reference external" href="http://lasr.cs.ucla.edu/afanasyev/bibwiki/bibtex/367">BibTex</a>)
+                A. Afanasyev, I. Moiseenko, and L. Zhang, &#8220;ndnSIM: NDN simulator for NS-3,&#8221; NDN, Technical Report NDN-0005, 2012 (<a class="reference external" href="https://named-data.net/wp-content/uploads/TRndnsim.pdf">PDF</a>) (<a class="reference external" href="https://users.cs.fiu.edu/~afanasyev/assets/bibtex/tr-afanasyev2012ndnsim.html">BibTex</a>)
                 </li>
               </ul>
           </ul>
@@ -108,12 +108,12 @@
           <p class="biglink"><a class="biglink" href="{{ pathto("RELEASE_NOTES") }}">Release Notes</a><br/>
             <span class="linkdescr">new features, changes, bug fixes, deprecations, and removals</span></p>
 
-          <p class="biglink"><a class="biglink" href="http://redmine.named-data.net/projects/ndnsim">Reporting bugs</a><br/>
-            <span class="linkdescr"><a href="http://redmine.named-data.net/projects/ndnsim" target="_blank">ndnSIM Redmine</a>,
+          <p class="biglink"><a class="biglink" href="https://redmine.named-data.net/projects/ndnsim">Reporting bugs</a><br/>
+            <span class="linkdescr"><a href="https://redmine.named-data.net/projects/ndnsim" target="_blank">ndnSIM Redmine</a>,
             <span class="linkdescr"><a href="https://github.com/named-data-ndnSIM/ndnSIM/pulls" target="_blank">GitHub pull requests</a></span></p>
 
-          <p class="biglink"><a class="biglink" href="http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim" target="_blank">ndnSIM mailing list</a><br/>
-            <span class="linkdescr"><a href="http://www.lists.cs.ucla.edu/pipermail/ndnsim/" target="_blank">mailing list archives</a></span></p>
+          <p class="biglink"><a class="biglink" href="https://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim" target="_blank">ndnSIM mailing list</a><br/>
+            <span class="linkdescr"><a href="https://www.lists.cs.ucla.edu/pipermail/ndnsim/" target="_blank">mailing list archives</a></span></p>
 
           <p class="biglink"><a class="biglink" href="{{ pathto("community-contributions") }}">Community Contributions</a><br/>
               <span class="linkdescr">very much appreciated contributions of the ndnSIM user community</span></p>