Change version bolt (sofastack#345)

* change jackson and bolt version

* change jackson and bolt version

Author: leizhiyuan

all/pom.xml

@@ -61,7 +61,7 @@
         <netty.version>4.1.25.Final</netty.version>
         <hessian.version>3.3.3</hessian.version>
         <resteasy.version>3.0.12.Final</resteasy.version>
-        <bolt.version>1.4.2</bolt.version>
+        <bolt.version>1.4.6</bolt.version>
         <tracer.version>2.1.1</tracer.version>
         <lookout.version>1.4.1</lookout.version>
     </properties>