VL-4836 - Prep work for release

pom.xml
-------
  o Bump sadis.api version to the latest release 5.9.0

miscellaneous
-------------
  o Update copyright notice to the latest date and syntax.

Change-Id: Ie9a35ae703da9b9796afb8ea857738991d4d07d1
diff --git a/app/pom.xml b/app/pom.xml
index 4887abd..75c19be 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</sadis.api.version>
+        <sadis.api.version>5.9.0</sadis.api.version>
     </properties>
 
     <dependencies>