Added bootstrap code to auto-generate cluster.json, tablets.json and hazelcast.xml using local site address.

Change-Id: I3210aadc63403022b4aac3bc3591736801240b50
diff --git a/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java b/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java
index 6484951..26d8528 100644
--- a/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java
+++ b/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java
@@ -27,6 +27,8 @@
 import org.onosproject.core.IdBlockStore;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.core.Version;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.util.List;
@@ -41,6 +43,8 @@
 @Service
 public class CoreManager implements CoreService {
 
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
     private static final File VERSION_FILE = new File("../VERSION");
     private static Version version = Version.version("1.2.0-SNAPSHOT");