Add notice to clarify the purpose of this git repo
diff --git a/IMPORTANT-INFORMATION-FOR-USERS.txt b/IMPORTANT-INFORMATION-FOR-USERS.txt
new file mode 100644
index 0000000..0c2c25c
--- /dev/null
+++ b/IMPORTANT-INFORMATION-FOR-USERS.txt
@@ -0,0 +1,4 @@
+Please note that this git repository is intended for Virgo committers to use in order to build the Greenpages
+sample which is published at http://www.eclipse.org/virgo/samples/
+
+Users are advised to use the published sample rather than this git repository.