updated jackson version

Author: fehguy

pom.xml

@@ -499,8 +499,8 @@
     <servlet-api-version>2.5</servlet-api-version>
     <jersey-version>1.13</jersey-version>
     <jersey2-version>2.1</jersey2-version>
-    <jackson-version>2.1.5</jackson-version>
-    <jackson-scala-version>2.1.5</jackson-scala-version>
+    <jackson-version>2.4.1</jackson-version>
+    <jackson-scala-version>2.4.1</jackson-scala-version>
     <logback-version>1.0.1</logback-version>
     <json4s-version>3.2.5</json4s-version>