Prepare release

Author: vadeg

CHANGELOG.MD

@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.0.0] - 2017-08-04
+
 ### Added
 - Changelog
 - Contribution guide

pom.xml

@@ -10,7 +10,7 @@
     </parent>
     <groupId>de.zalando</groupId>
     <artifactId>zalando-sprocwrapper</artifactId>
-    <version>2.0.0-SNAPSHOT</version>
+    <version>2.0.0</version>
     <packaging>jar</packaging>
     <name>Stored Procedure Wrapper</name>
     <description>Library to make PostgreSQL stored procedures available through simple Java "*SProcService" interfaces