Organized imports for main classes

Change-Id: I3b05d7f289706aef04019a820be9989f8fb54945
diff --git a/src/main/java/net/onrc/onos/core/linkdiscovery/internal/LinkDiscoveryManager.java b/src/main/java/net/onrc/onos/core/linkdiscovery/internal/LinkDiscoveryManager.java
index 489dbdd..daed20b 100644
--- a/src/main/java/net/onrc/onos/core/linkdiscovery/internal/LinkDiscoveryManager.java
+++ b/src/main/java/net/onrc/onos/core/linkdiscovery/internal/LinkDiscoveryManager.java
@@ -57,13 +57,13 @@
 import net.floodlightcontroller.util.EventHistory;
 import net.floodlightcontroller.util.EventHistory.EvAction;
 import net.onrc.onos.core.linkdiscovery.ILinkDiscovery;
+import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.LDUpdate;
+import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.UpdateOperation;
 import net.onrc.onos.core.linkdiscovery.ILinkDiscoveryListener;
 import net.onrc.onos.core.linkdiscovery.ILinkDiscoveryService;
 import net.onrc.onos.core.linkdiscovery.Link;
 import net.onrc.onos.core.linkdiscovery.LinkInfo;
 import net.onrc.onos.core.linkdiscovery.NodePortTuple;
-import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.LDUpdate;
-import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.UpdateOperation;
 import net.onrc.onos.core.linkdiscovery.web.LinkDiscoveryWebRoutable;
 import net.onrc.onos.core.main.IOnosRemoteSwitch;
 import net.onrc.onos.core.packet.BSN;
diff --git a/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkWithType.java b/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkWithType.java
index 2997261..c956cb1 100644
--- a/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkWithType.java
+++ b/src/main/java/net/onrc/onos/core/linkdiscovery/web/LinkWithType.java
@@ -2,6 +2,9 @@
 
 import java.io.IOException;
 
+import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.LinkType;
+import net.onrc.onos.core.linkdiscovery.Link;
+
 import org.codehaus.jackson.JsonGenerator;
 import org.codehaus.jackson.JsonProcessingException;
 import org.codehaus.jackson.map.JsonSerializer;
@@ -9,9 +12,6 @@
 import org.codehaus.jackson.map.annotate.JsonSerialize;
 import org.openflow.util.HexString;
 
-import net.onrc.onos.core.linkdiscovery.Link;
-import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.LinkType;
-
 /**
  * This class is both the datastructure and the serializer
  * for a link with the corresponding type of link.