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/HostStore.java b/core/api/src/main/java/org/onosproject/net/host/HostStore.java
index 6d6eb11..b6b27b5 100644
--- a/core/api/src/main/java/org/onosproject/net/host/HostStore.java
+++ b/core/api/src/main/java/org/onosproject/net/host/HostStore.java
@@ -127,7 +127,7 @@
     Set<Host> getHosts(IpAddress ip);
 
     /**
-     * Returns the set of hosts whose location falls on the given connection point.
+     * Returns the set of hosts that attach to the specified connection point.
      *
      * @param connectPoint connection point
      * @return set of hosts
@@ -135,7 +135,7 @@
     Set<Host> getConnectedHosts(ConnectPoint connectPoint);
 
     /**
-     * Returns the set of hosts whose location falls on the given device.
+     * Returns the set of hosts that attach to the specified device.
      *
      * @param deviceId infrastructure device identifier
      * @return set of hosts