[maven-release-plugin] rollback the release of v1.2.0

Author: lbehnke

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.apporiented</groupId>
     <artifactId>hierarchical-clustering</artifactId>
-    <version>1.2.1-SNAPSHOT</version>
+    <version>1.1.1-SNAPSHOT</version>
     <name>Agglomerative hierarchical clustering</name>
     <description>Agglomerative hierarchical clustering analysis and visualization implemented in Java</description>
     <inceptionYear>2011</inceptionYear>