docs: Update Redirects and use HTTPS URLs.

docs/src/main/resources/templates/_main.html

@@ -191,7 +191,7 @@ <h1>{{pageTitle}}</h1>
                 </p>
               </div>
               Theme based on a
-              <a href="https://github.com/snide/sphinx_rtd_theme">template</a>
+              <a href="https://github.com/readthedocs/sphinx_rtd_theme">template</a>
               provided by <a href="https://readthedocs.org">Read the Docs</a>.
             </footer>
           </div>

docs/src/main/resources/templates/index.html

@@ -2,7 +2,7 @@
 </p>
 <p>
     The project is a Java based servlet/library/application based on the mature
-    <a href="http://community.jaspersoft.com/project/jasperreports-library" target="_blank">Jasper Reports Library</a>.
+    <a href="https://community.jaspersoft.com/project/jasperreports-library" target="_blank">Jasper Reports Library</a>.
 </p>
 <div class="admonition note examples">
     <p class="first admonition-title">Getting started</p>
@@ -16,7 +16,7 @@
 <ul>
     <li>
         The most commonly used distribution is the <em>war</em> distribution where Mapfish Print is a servlet and can be run in a
-        servlet container like <a href="http://tomcat.apache.org/" target="_blank">Apache Tomcat</a>.
+        servlet container like <a href="https://tomcat.apache.org/" target="_blank">Apache Tomcat</a>.
     </li>
     <li>
         Mapfish Print is also distributed as a Java <em>jar</em> which allows Mapfish Print to be used like a normal Java library, or
@@ -75,10 +75,10 @@ <h2>Design Philosophy</h2>
     Once the <a href="processors.html">processors</a> have all completed execution all of the values are passed to the <a
         href="outputformats.html">output format</a> which uses that information to generate the report. In theory an <a href="outputformats.html">output
     format</a> could be anything that generates a report. However the current version uses the
-    <a href="http://community.jaspersoft.com/project/jasperreports-library">Jasper Reports Library</a> for its outputs and several of the
+    <a href="https://community.jaspersoft.com/project/jasperreports-library">Jasper Reports Library</a> for its outputs and several of the
     processors are Jasper Reports focuses.
     Because of this the documentation will assume that the output format is always based on
-    <a href="http://community.jaspersoft.com/project/jasperreports-library">Jasper Reports</a>.
+    <a href="https://community.jaspersoft.com/project/jasperreports-library">Jasper Reports</a>.
 </p>
 <p>
     The <a href="outputformats.html">output format</a> will generate a report and store it in some way for later retrieval. At this point the