upgrading to groovy 2.2.0

Author: codescape

bitvunit-cli/pom.xml

@@ -17,7 +17,7 @@
     <url>http://bitvunit.codescape.de</url>
 
     <properties>
-        <groovy.version>2.1.5</groovy.version>
+        <groovy.version>2.2.0</groovy.version>
         <groovy-eclipse-compiler.version>2.8.0-01</groovy-eclipse-compiler.version>
     </properties>