(doc) Fix broken link to developpers mailing list

Author: ledoyen

CONTRIBUTING.md

@@ -32,7 +32,7 @@ Getting Started
 + Make sure you have a [JIRA account](https://issues.apache.org/jira/).
 + Make sure you have a [GitHub account](https://github.com/signup/free).
 + If you're planning to implement a new feature, it makes sense to discuss your changes 
-  on the [dev list](https://maven.apache.org/mail-lists.html) first. 
+  on the [dev list](https://maven.apache.org/mailing-lists.html) first. 
   This way you can make sure you're not wasting your time on something that isn't 
   considered to be in Apache Maven's scope.
 + Submit a ticket for your issue, assuming one does not already exist.
@@ -85,7 +85,7 @@ Additional Resources
 + [Apache Maven Twitter Account](https://twitter.com/ASFMavenProject)
 + #Maven IRC channel on freenode.org
 
-[dev-ml-list]: https://maven.apache.org/mail-lists.html
+[dev-ml-list]: https://maven.apache.org/mailing-lists.html
 [code-style]: https://maven.apache.org/developers/conventions/code.html
 [cla]: https://www.apache.org/licenses/#clas
 [maven-wiki]: https://cwiki.apache.org/confluence/display/MAVEN/Index

README.md

@@ -35,7 +35,7 @@ Getting Started
 + Make sure you have a [JIRA account](https://issues.apache.org/jira/).
 + Make sure you have a [GitHub account](https://github.com/signup/free).
 + If you're planning to implement a new feature, it makes sense to discuss your changes 
-  on the [dev list](https://maven.apache.org/mail-lists.html) first. 
+  on the [dev list](https://maven.apache.org/mailing-lists.html) first. 
   This way you can make sure you're not wasting your time on something that isn't 
   considered to be in Apache Maven's scope.
 + Submit a ticket for your issue, assuming one does not already exist.

src/site/apt/index.apt.vm

@@ -103,9 +103,9 @@ ${project.name}
   specific use cases are described in the examples given below.
 
   In case you still have questions regarding the plugin's usage, please have a look at the {{{./faq.html}FAQ}} and feel
-  free to contact the {{{./mail-lists.html}user mailing list}}. The posts to the mailing list are archived and could
+  free to contact the {{{./mailing-lists.html}user mailing list}}. The posts to the mailing list are archived and could
   already contain the answer to your question as part of an older thread. Hence, it is also worth browsing/searching
-  the {{{./mail-lists.html}mail archive}}.
+  the {{{./mailing-lists.html}mail archive}}.
 
   If you feel like the plugin is missing a feature or has a defect, you can fill a feature request or bug report in our
   {{{./issue-management.html}issue tracker}}. When creating a new issue, please provide a comprehensive description of your