Merge pull request FasterXML#595 from johnjohndoe/update-release-versions

Update release versions.

Author: cowtowncoder

README.md

@@ -9,7 +9,7 @@ Project is licensed under [Apache License 2.0](http://www.apache.org/licenses/LI
 While the original use case for Jackson was JSON data-binding, it can now be used for other data formats as well, as long as parser and generator implementations exist.
 Naming of classes uses word 'JSON' in many places even though there is no actual hard dependency to JSON format.
 
-[![Build Status](https://travis-ci.org/FasterXML/jackson-databind.svg?branch=master)](https://travis-ci.org/FasterXML/jackson-databind)
+[![Build Status](https://travis-ci.org/FasterXML/jackson-databind.svg?branch=master)](https://travis-ci.org/FasterXML/jackson-databind) [![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.fasterxml.jackson.core/jackson-databind/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.fasterxml.jackson.core/jackson-databind)
 
 -----
 
@@ -23,7 +23,7 @@ Functionality of this package is contained in Java package `com.fasterxml.jackso
 <dependency>
   <groupId>com.fasterxml.jackson.core</groupId>
   <artifactId>jackson-databind</artifactId>
-  <version>2.3.3</version>
+  <version>${jackson-databind-version}</version>
 </dependency>
 ```
 
@@ -35,12 +35,12 @@ If so, also add:
   <!-- note: typically only ".0" patch version exists for core annotations -->
   <groupId>com.fasterxml.jackson.core</groupId>
   <artifactId>jackson-annotations</artifactId>
-  <version>2.3.0</version>
+  <version>${jackson-annotations-version}</version>
 </dependency>
 <dependency>
   <groupId>com.fasterxml.jackson.core</groupId>
   <artifactId>jackson-core</artifactId>
-  <version>2.3.1</version>
+  <version>${jackson-core-version}</version>
 </dependency>
 ```