Fix CopycatTransportClient thread check + bump up atomix version to latest rc

Change-Id: Ie66868ebaaa14ea36125e7f419ac3c3a887e9bce

@@ -37,18 +37,17 @@ public class CopycatTransportClient implements Client {
     private final String clusterName;
     private final MessagingService messagingService;
     private final CopycatTransport.Mode mode;
-    private final ThreadContext context;
     private final Set<CopycatTransportConnection> connections = Sets.newConcurrentHashSet();
 
     CopycatTransportClient(String clusterName, MessagingService messagingService, CopycatTransport.Mode mode) {
         this.clusterName = checkNotNull(clusterName);
         this.messagingService = checkNotNull(messagingService);
         this.mode = checkNotNull(mode);
-        this.context = ThreadContext.currentContextOrThrow();
     }
 
     @Override
     public CompletableFuture<Connection> connect(Address remoteAddress) {
+        ThreadContext context = ThreadContext.currentContextOrThrow();
         CopycatTransportConnection connection = new CopycatTransportConnection(
                 nextConnectionId(),
                 CopycatTransport.Mode.CLIENT,

@@ -78,7 +78,7 @@
         <onos-build-conf.version>1.1</onos-build-conf.version>
         <netty4.version>4.0.33.Final</netty4.version>
         <!-- TODO: replace with final release version when it is out -->
-        <atomix.version>0.1.0-beta4</atomix.version>
+        <atomix.version>0.1.0-beta5</atomix.version>
         <copycat.version>0.5.1.onos</copycat.version>
         <openflowj.version>0.9.1.onos</openflowj.version>
         <onos-maven-plugin.version>1.8-SNAPSHOT</onos-maven-plugin.version>