Legger på prometheus dropwizand client. (#55)

Author: mrsladek

pom.xml

@@ -325,6 +325,11 @@
             </dependency>
 
             <!-- Metrics -->
+            <dependency>
+                <groupId>io.prometheus</groupId>
+                <artifactId>simpleclient_dropwizard</artifactId>
+                <version>${prometheus.version}</version>
+            </dependency>
             <dependency>
                 <groupId>io.prometheus</groupId>
                 <artifactId>simpleclient_servlet</artifactId>