Excluding R demo from the build
diff --git a/demos/pom.xml b/demos/pom.xml
index 4c6e14d..2ebba32 100644
--- a/demos/pom.xml
+++ b/demos/pom.xml
@@ -24,7 +24,6 @@
     <module>mrmonitor</module>
     <module>mroperator</module>
     <module>uniquecount</module>
-    <module>r</module>
     <module>echoserver</module>
   </modules>