Upgrade fasterXML libraries for OS-9

Upgrade fasterXML to version 2.9.5 to address security vulnerability
Wrap calls to treeRead(InputStream) to handle new behavior of null streams

Change-Id: Id199cfacd0cf9e5371dc33de9f1e058c2e72eaa5
diff --git a/lib/pom.xml b/lib/pom.xml
index 42ea1a7..ce9e5d0 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -45,7 +45,7 @@
         <karaf.version>3.0.8</karaf.version>
         <jersey.version>2.25.1</jersey.version>
         <jetty.version>9.2.21.v20170120</jetty.version>
-        <jackson.version>2.8.10</jackson.version>
+        <jackson.version>2.9.5</jackson.version>
         <slf4j.version>1.7.21</slf4j.version>
         <guava.version>22.0</guava.version>
         <commons.io.version>2.6</commons.io.version>