Introduced HOST_AUX_MOVED event

Additionally,
- Fixed an issue in DistributedHostStore that didn't copy innverVlan, tpid and suspend bit correctly in some cases
- Clarified javadoc of getConnectedHosts

Change-Id: I56c93eea878a24a6588ceecdbeac75c1747ae8cc
diff --git a/core/api/src/main/java/org/onosproject/net/host/HostService.java b/core/api/src/main/java/org/onosproject/net/host/HostService.java
index 55532bc..349f6db 100644
--- a/core/api/src/main/java/org/onosproject/net/host/HostService.java
+++ b/core/api/src/main/java/org/onosproject/net/host/HostService.java
@@ -81,8 +81,7 @@
     // TODO: consider adding Host getHostByIp(IpAddress ip, VlanId vlan);
 
     /**
-     * Returns the set of hosts whose most recent location is the specified
-     * connection point.
+     * Returns the set of hosts that attach to the specified connection point.
      *
      * @param connectPoint connection point
      * @return set of hosts connected to the connection point
@@ -90,8 +89,7 @@
     Set<Host> getConnectedHosts(ConnectPoint connectPoint);
 
     /**
-     * Returns the set of hosts whose most recent location is the specified
-     * infrastructure device.
+     * Returns the set of hosts that attach to the specified device.
      *
      * @param deviceId device identifier
      * @return set of hosts connected to the device