Moving the app to depend on ONOS 2.5.5 and released Sadis app (5.5.1)

Change-Id: Ie505b7847a9feb48249f89015511e9b158fe0c76
diff --git a/pom.xml b/pom.xml
index 619a701..3cee39a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>2.5.2</version>
+        <version>2.5.5</version>
     </parent>
 
     <groupId>org.opencord</groupId>
@@ -31,7 +31,7 @@
     <packaging>pom</packaging>
 
     <properties>
-        <sadis.api.version>5.4.0</sadis.api.version>
+        <sadis.api.version>5.5.1</sadis.api.version>
         <aaa.api.version>2.5.0-SNAPSHOT</aaa.api.version>
     </properties>