Basing on sadis 5.6.0

Change-Id: Ifeeadd8752f124b9c0d026d71eb2fa75074a6ecb
diff --git a/app/pom.xml b/app/pom.xml
index a623c3a..d934684 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -36,7 +36,7 @@
         <onos.app.title>IGMP proxy app</onos.app.title>
         <onos.app.url>http://opencord.org</onos.app.url>
         <onos.app.readme>IGMP implementation.</onos.app.readme>
-        <sadis.api.version>5.6.0-SNAPSHOT</sadis.api.version>
+        <sadis.api.version>5.6.0</sadis.api.version>
     </properties>
 
     <dependencies>