Upgraded version of Jackson to latest 2.8.x to prevent security vulnerabilities

Change-Id: Ie404ee7caf5e32b1f24243b50dcdb7f7639a9c63

Author: jansupol

pom.xml

@@ -1856,7 +1856,7 @@
         <xmlunit.version>1.6</xmlunit.version>
         <hk2.version>2.5.0-b42</hk2.version>
         <httpclient.version>4.5</httpclient.version> <!-- TODO: 4.5.2 doesn't work; apache client connector tests -->
-        <jackson.version>2.8.4</jackson.version>
+        <jackson.version>2.8.10</jackson.version>
         <jackson1.version>1.9.13</jackson1.version>
         <javassist.version>3.22.0-CR2</javassist.version>
         <javax.annotation.version>1.2</javax.annotation.version>