Organized imports for main classes

Change-Id: I3b05d7f289706aef04019a820be9989f8fb54945
diff --git a/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java b/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
index 2eeec70..5d70cee 100644
--- a/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
@@ -24,6 +24,7 @@
 import java.util.Map;
 
 import net.floodlightcontroller.core.IFloodlightProviderService;
+
 import org.openflow.protocol.OFFeaturesReply;
 import org.openflow.protocol.statistics.OFStatistics;
 import org.openflow.protocol.statistics.OFStatisticsType;