[ONOS-4478][ONOS-4479] Implement scalable gateway get methods and gateway node management

 - Implements scalable gateway interface methods
 - Implements gateway node management

Change-Id: Ie5eb400b52df49dc36aef951e356e04b6238d59d
diff --git a/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/package-info.java b/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/package-info.java
index f666d0c..7774a85 100644
--- a/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/package-info.java
+++ b/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/package-info.java
@@ -15,6 +15,6 @@
  */
 
 /**
- * Application for ScaleableGateway management.
+ * Application for Scaleable Gateway management.
  */
 package org.onosproject.scalablegateway.impl;
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