Javadoc is missing its Overview page

- The overview.html file is not in the location maven-javadoc-plugin
expects
- Fix Javadoc error
- Fix Javadoc typo

Author: garydgregory

src/changes/changes.xml

@@ -30,6 +30,7 @@
       <action type="fix" dev="ggregory" due-to="Gary Gregory">Port to JUnit 5.</action>
       <action type="fix" dev="ggregory" due-to="Gary Gregory">Generics for Converter should use Exception not Throwable.</action>
       <action type="fix" dev="ggregory" due-to="Gary Gregory">Pick up maven-antrun-plugin version from parent POM org.apache:apache.</action>
+      <action type="fix" dev="ggregory" due-to="Gary Gregory">Javadoc is missing its Overview page.</action>
       <!-- ADD -->
       <action type="add" issue="CLI-339" dev="ggregory" due-to="Claude Warren, Gary Gregory">Help formatter extension in the new package #314.</action>
       <action type="add" dev="ggregory" due-to="Gary Gregory">CommandLine.Builder implements Supplier&lt;CommandLine&gt;.</action>

…ava/org/apache/commons/cli/overview.html src/main/javadoc/overview.htmlsrc/main/java/org/apache/commons/cli/overview.html renamed to src/main/javadoc/overview.html src/main/java/org/apache/commons/cli/overview.html renamed to src/main/javadoc/overview.html

@@ -32,12 +32,9 @@
     specified after the command argument:
 
     <code>
-    <pre>
         myApp -p &lt;port&gt; command -p &lt;printer&gt;
-    </pre>
     </code>
 
-
     <p>The homepage for the project is
-    <a href="https://commons.apache.org">Apache Commons/</a>
+    <a href="https://commons.apache.org">Apache Commons</a>
 </body>