Updated the Codahale Metrics package version from 3.0.1 to 3.0.2

In version 3.0.1 there is a bug in the JSON serialization
of the Meter objects: the m1_rate and m15_rate values were swapped.

This bug is fixed in 3.0.2 (available since February 2014), though
according to the Web site, the current version is still 3.0.1:

http://metrics.codahale.com/getting-started/#setting-up-maven
https://github.com/dropwizard/metrics/releases
https://github.com/dropwizard/metrics/compare/3.0-maintenance

Change-Id: I689d1f958a81eb3abb77c8e34c8e4c9d57d3ee0f
diff --git a/pom.xml b/pom.xml
index 07e065e..5c313f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
     <github.global.server>github</github.global.server>
      -->
     <hazelcast.version>3.2.3</hazelcast.version>
-    <metrics.version>3.0.1</metrics.version>
+    <metrics.version>3.0.2</metrics.version>
     <maven.surefire.plugin.version>2.16</maven.surefire.plugin.version>
   </properties>
   <build>