Using sadis 5.6.0

Change-Id: I9b24cc59d62a6ae319421970a3ae78524abfbefa
diff --git a/pom.xml b/pom.xml
index 25c9b99..b7b87d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
     <description>OLT Application</description>
     <url>http://onosproject.org</url>
     <properties>
-        <sadis.api.version>5.6.0-SNAPSHOT</sadis.api.version>
+        <sadis.api.version>5.6.0</sadis.api.version>
         <olt.api.version>5.1.0-SNAPSHOT</olt.api.version>
         <olt.impl.version>5.1.0-SNAPSHOT</olt.impl.version>
     </properties>