Refactoring SegmentRouting, OFDPA driver and Group Store

- Replace SRNextObjectiveContext with DefaultObjectiveContext
- Move several log messages to lower log level

Change-Id: Ice2fb598b8e4502cb4acee1a95235551ec7c8db7
diff --git a/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java b/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java
index a142e5f..8c2308d 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java
@@ -390,7 +390,7 @@
         // Check if a group is existing with the same key
         Group existingGroup = getGroup(groupDesc.deviceId(), groupDesc.appCookie());
         if (existingGroup != null) {
-            log.warn("Group already exists with the same key {} in dev:{} with id:0x{}",
+            log.info("Group already exists with the same key {} in dev:{} with id:0x{}",
                      groupDesc.appCookie(), groupDesc.deviceId(),
                      Integer.toHexString(existingGroup.id().id()));
             return;