Bump dependencies

Fixes #140

Author: acogoluegnes

pom.xml

@@ -57,10 +57,10 @@
     <rabbitmq.version>5.6.0</rabbitmq.version>
     <commons-cli.version>1.4</commons-cli.version>
     <metrics.version>4.0.5</metrics.version>
-    <micrometer.version>1.1.2</micrometer.version>
+    <micrometer.version>1.1.3</micrometer.version>
     <gson.version>2.8.5</gson.version>
     <logback.version>1.2.3</logback.version>
-    <jetty.version>9.4.14.v20181114</jetty.version>
+    <jetty.version>9.4.15.v20190215</jetty.version>
     <junit.jupiter.version>5.3.2</junit.jupiter.version>
     <mockito.version>2.23.4</mockito.version>
     <hamcrest.version>2.0.0.0</hamcrest.version>