Groovy version update (assembly -= 6MB)

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/features/trunk@1498585 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 1dcfa1f..e6bd818 100644
--- a/pom.xml
+++ b/pom.xml
@@ -209,7 +209,7 @@
         <commons-lang.version>2.6</commons-lang.version>
         <commons-logging.version>1.1.1</commons-logging.version>
         <drools.version>5.5.0.Final</drools.version>
-        <groovy.version>1.8.3</groovy.version>
+        <groovy.version>1.8.6</groovy.version>
         <h2.version>1.3.167</h2.version>
         <javax.mail.version>1.4.4</javax.mail.version>
         <jaxp-ri.version>1.4.4</jaxp-ri.version>