Enable checkstyle Javadoc Comment Style rule

Turn on the Javadoc Comment Style rule and fix
any violations that come up.  This is related to
requiring javadoc description comments to end
with a '.'

Change-Id: I19cf1b9f00d3040987e0b4c8b39461e2e0ad66b5
diff --git a/src/main/java/net/onrc/onos/core/topology/DeviceImpl.java b/src/main/java/net/onrc/onos/core/topology/DeviceImpl.java
index 6a4f16b..28a7796 100644
--- a/src/main/java/net/onrc/onos/core/topology/DeviceImpl.java
+++ b/src/main/java/net/onrc/onos/core/topology/DeviceImpl.java
@@ -56,7 +56,7 @@
     }
 
     /**
-     * Only {@link TopologyManager} should use this method
+     * Only {@link TopologyManager} should use this method.
      *
      * @param p
      */
@@ -66,7 +66,7 @@
     }
 
     /**
-     * Only {@link TopologyManager} should use this method
+     * Only {@link TopologyManager} should use this method.
      *
      * @param p
      */
@@ -75,7 +75,7 @@
     }
 
     /**
-     * Only {@link TopologyManager} should use this method
+     * Only {@link TopologyManager} should use this method.
      *
      * @param p
      */
@@ -84,7 +84,7 @@
     }
 
     /**
-     * Only {@link TopologyManager} should use this method
+     * Only {@link TopologyManager} should use this method.
      *
      * @param p
      */
diff --git a/src/main/java/net/onrc/onos/core/topology/LinkEvent.java b/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
index 6f328f0..fbf686a 100644
--- a/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/LinkEvent.java
@@ -5,9 +5,9 @@
 import net.onrc.onos.core.topology.PortEvent.SwitchPort;
 
 /**
- * Self-contained Link event Object
+ * Self-contained Link event Object.
  * <p/>
- * TODO: We probably want common base class/interface for Self-Contained Event Object
+ * TODO: We probably want common base class/interface for Self-Contained Event Object.
  */
 public class LinkEvent {
     protected final SwitchPort src;
diff --git a/src/main/java/net/onrc/onos/core/topology/Path.java b/src/main/java/net/onrc/onos/core/topology/Path.java
index a089248..a00c425 100644
--- a/src/main/java/net/onrc/onos/core/topology/Path.java
+++ b/src/main/java/net/onrc/onos/core/topology/Path.java
@@ -4,7 +4,7 @@
 import java.util.LinkedList;
 
 /**
- * Base class for Path representation
+ * Base class for Path representation.
  *
  * @author Toshio Koide (t-koide@onlab.us)
  */
diff --git a/src/main/java/net/onrc/onos/core/topology/PortEvent.java b/src/main/java/net/onrc/onos/core/topology/PortEvent.java
index fdf8f06..1f20f22 100644
--- a/src/main/java/net/onrc/onos/core/topology/PortEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/PortEvent.java
@@ -3,9 +3,9 @@
 import java.nio.ByteBuffer;
 
 /**
- * Self-contained Port event Object
+ * Self-contained Port event Object.
  * <p/>
- * TODO: We probably want common base class/interface for Self-Contained Event Object
+ * TODO: We probably want common base class/interface for Self-Contained Event Object.
  */
 public class PortEvent {
     public static class SwitchPort {
diff --git a/src/main/java/net/onrc/onos/core/topology/SwitchEvent.java b/src/main/java/net/onrc/onos/core/topology/SwitchEvent.java
index 7ed65d8..36cf8cf 100644
--- a/src/main/java/net/onrc/onos/core/topology/SwitchEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/SwitchEvent.java
@@ -3,9 +3,9 @@
 import java.nio.ByteBuffer;
 
 /**
- * Self-contained Switch Object
+ * Self-contained Switch Object.
  * <p/>
- * TODO: We probably want common base class/interface for Self-Contained Event Object
+ * TODO: We probably want common base class/interface for Self-Contained Event Object.
  */
 public class SwitchEvent {
     protected final Long dpid;