prepare for 2.9.8

Author: cowtowncoder

pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>2.9.7</version>
+    <version>2.9.8</version>
   </parent>
   <groupId>com.fasterxml.jackson.dataformat</groupId>
   <artifactId>jackson-dataformats-text</artifactId>

release-notes/VERSION-2.x

@@ -8,7 +8,7 @@ Modules:
 === Releases ===
 ------------------------------------------------------------------------
 
-2.9.8 (not yet released)
+2.9.8 (15-Dec-2018)
 
 #99: `YamlGenerator` closes the target stream when configured not to
  (reported by moabck@github; fix contributed by vboulaye@github)