Take into account Sonar comments

Author: thboileau

org.restlet.ext.crypto/src/main/java/org/restlet/ext/crypto/package-info.java

@@ -0,0 +1,6 @@
+/**
+ * Support for cryptography including Amazon S3 and Windows Azure client authentication.
+ *
+ * @since Restlet 2.0
+ */
+package org.restlet.ext.crypto;

org.restlet.ext.crypto/src/main/java/org/restlet/ext/crypto/package.html

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+/**
+ * Integration with Apache FreeMarker 2.3 template library. FreeMarker is a template engine; a
+ * generic tool to generate text output (anything from HTML to autogenerated source code) based on
+ * templates.
+ *
+ * @since Restlet 1.0
+ * @see <a href="https://freemarker.apache.org/">FreeMarker template engine</a>
+ * @see <a href="https://restlet.talend.com/documentation/user-guide/2.5/extensions/freemarker">User
+ *     Guide - FreeMarker extension</a>
+ */
+package org.restlet.ext.freemarker;

org.restlet.ext.freemarker/src/main/java/org/restlet/ext/freemarker/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * Integration with Gson 2.8.
+ *
+ * @since Restlet 2.2
+ * @see <a href="https://github.com/google/gson">Gson Web site</a>
+ * @see <a href="https://restlet.talend.com/documentation/user-guide/2.5/extensions/gson">User Guide
+ *     - Gson extension</a>
+ */
+package org.restlet.ext.gson;

org.restlet.ext.freemarker/src/main/java/org/restlet/ext/freemarker/package.html

@@ -0,0 +1,8 @@
+/**
+ * Support for JAAS authentication and authorization framework.
+ *
+ * @since Restlet 2.0
+ * @see <a href="https://restlet.talend.com/documentation/user-guide/2.5/extensions/jaas">User Guide
+ *     - JAAS extension</a>
+ */
+package org.restlet.ext.jaas;

org.restlet.ext.gson/src/main/java/org/restlet/ext/gson/package-info.java

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+/**
+ * Integration with Jackson 2.10. Jackson is a high-performance JSON processor able to serialize
+ * objects to JSON and back again.
+ *
+ * @since Restlet 2.0
+ * @see <a href="https://github.com/FasterXML/jackson">Jackson Web site</a>
+ * @see <a href="https://restlet.talend.com/documentation/user-guide/2.5/extensions/jackson">User
+ *     Guide - Jackson extension</a>
+ */
+package org.restlet.ext.jackson;