added explanations about the move from Maven core to shared components

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-2/branches/maven-2.2.x@942387 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/maven-reporting/maven-reporting-api/src/site/apt/index.apt b/maven-reporting/maven-reporting-api/src/site/apt/index.apt
new file mode 100644
index 0000000..e942ae8
--- /dev/null
+++ b/maven-reporting/maven-reporting-api/src/site/apt/index.apt
@@ -0,0 +1,15 @@
+ -----
+ Maven Reporting API
+ -----
+ Hervé Boutemy
+ -----
+ 2010-05-08
+ -----
+
+Maven Reporting API
+
+  API to manage report generation.
+
+  <<<maven-reporting-api>>> is included in Maven 2.x core distribution, but
+  {{{http://maven.apache.org/shared/maven-reporting-api/}moved to
+  shared components}} to achieve report decoupling from Maven 3 core.