updating to rc4

Change-Id: I8b2e2cbefe48cbf47e8abfe0bb2edbe8c38ada2c
diff --git a/pom.xml b/pom.xml
index d6160f6..e197d32 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>igmp</artifactId>
-    <version>1.0-rc3</version>
+    <version>1.0-rc4</version>
     <packaging>bundle</packaging>
 
 <!--