updated news to 2.0

src/site/markdown/news.md

 # News
 
+### Release 2.0 - 30.09.2015
+
+TeeTime is released as 2.0. It can be downloaded from the [download section](download.html). For a changelog visit the [release notes](changes-report.html#a2.0).
+
 ### Release 1.1.2 - 12.05.2015
 
 TeeTime is released as 1.1.2. This fixes a bug in TeeTime's merger stage.

src/site/site.xml

@@ -113,7 +113,7 @@
 				<a href="https://build.se.informatik.uni-kiel.de/jenkins/view/TeeTime/job/teetime-nightly-release/lastCompletedBuild/testReport/"><img alt="Jenkins build status" src="https://img.shields.io/jenkins/t/https/build.se.informatik.uni-kiel.de/jenkins/view/TeeTime/teetime-nightly-release.svg?style=flat-square"></a>
 				<br /><br />Stable state:
 				<br />
-				<a href="https://github.com/teetime-framework/teetime/releases/latest" rel="nofollow"><img alt="Download TeeTime" src="https://img.shields.io/badge/GitHub-v1.1.2-brightgreen.svg?style=flat-square"></a>
+				<a href="https://github.com/teetime-framework/teetime/releases/latest" rel="nofollow"><img alt="Download TeeTime" src="https://img.shields.io/badge/GitHub-v2.0-brightgreen.svg?style=flat-square"></a>
 				<br />
 				<a href="http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22net.sourceforge.teetime%22%20AND%20a%3A%22teetime%22"><img alt="Download TeeTime" src="https://img.shields.io/maven-central/v/net.sourceforge.teetime/teetime.svg?style=flat-square"></a>
 				]]>