Update hazelcast version to 3.4

Fixes ONOS-864

Change-Id: Ib8ba93de2bcc5fd278039d24482a9019f2d1eae8

@@ -34,7 +34,7 @@
 
         <bundle>mvn:joda-time/joda-time/2.5</bundle>
 
-        <bundle>mvn:com.hazelcast/hazelcast/3.3.2</bundle>
+        <bundle>mvn:com.hazelcast/hazelcast/3.4</bundle>
         <bundle>mvn:io.dropwizard.metrics/metrics-core/3.1.0</bundle>
         <bundle>mvn:io.dropwizard.metrics/metrics-json/3.1.0</bundle>
         <bundle>mvn:com.eclipsesource.minimal-json/minimal-json/0.9.1</bundle>

@@ -245,7 +245,7 @@
             <dependency>
                 <groupId>com.hazelcast</groupId>
                 <artifactId>hazelcast</artifactId>
-                <version>3.3.2</version>
+                <version>3.4</version>
             </dependency>
             <dependency>
                 <groupId>com.eclipsesource.minimal-json</groupId>