Update jackson to 2.6.1

Author: zapodot

pom.xml

@@ -53,7 +53,7 @@
     </distributionManagement>
     <properties>
         <junit.version>4.12</junit.version>
-        <jackson-core.version>2.6.0</jackson-core.version>
+        <jackson-core.version>2.6.1</jackson-core.version>
         <jackson-databind.version>${jackson-core.version}</jackson-databind.version>
 
         <packageVersion.package>org.zapodot.jackson.java8</packageVersion.package>