prep for release of 3.0.0

Author: Stephen Powis

CHANGELOG.md

@@ -2,7 +2,7 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## 3.0.0 (UNRELEASED)
+## 3.0.0 (03/20/2020)
 
 #### Possible Breaking Dependency Change
 

README.md

@@ -12,7 +12,7 @@ This client library is released on Maven Central.  Add a new dependency to your
 <dependency>
     <groupId>org.sourcelab</groupId>
     <artifactId>kafka-connect-client</artifactId>
-    <version>2.1.0</version>
+    <version>3.0.0</version>
 </dependency>
 ```
 

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.sourcelab</groupId>
     <artifactId>kafka-connect-client</artifactId>
-    <version>2.1.1</version>
+    <version>3.0.0</version>
     <packaging>jar</packaging>
 
     <!-- Require Maven 3.3.9 -->