jackson 2.7.3 fix #328

Author: jknack

pom.xml

@@ -2144,7 +2144,7 @@ org.eclipse.jdt.apt.processorOptions/defaultOverwrite=true
 
   <properties>
     <!-- Dependencies -->
-    <jackson.version>2.7.1</jackson.version>
+    <jackson.version>2.7.3</jackson.version>
     <undertow.version>1.3.20.Final</undertow.version>
     <servlet.version>3.1.0</servlet.version>
     <jetty.version>9.3.8.v20160314</jetty.version>