Moving the app to depend on ONOS 2.5.4 and released Sadis app (5.5.0)

Change-Id: I6b023214bddda1adcf108bbfb72a206b71a390ef
diff --git a/pom.xml b/pom.xml
index 8baa212..804951c 100755
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>2.5.2</version>
+        <version>2.5.5</version>
     </parent>
 
     <groupId>org.opencord</groupId>
@@ -32,7 +32,7 @@
     <url>http://opencord.org</url>
 
     <properties>
-        <sadis.api.version>5.4.0</sadis.api.version>
+        <sadis.api.version>5.5.1</sadis.api.version>
         <dhcpl2relay.api.version>2.6.0-SNAPSHOT</dhcpl2relay.api.version>
     </properties>