added link to Jenkins build

Author: René Witte

README.md

@@ -1,4 +1,5 @@
 # TextMining-MuNPEx
 The Multi-Lingual Noun Phrase Extractor (MuNPEx) is a GATE plugin
 
-See http://www.semanticsoftware.info/munpex for more information.
+See http://www.semanticsoftware.info/munpex for more information.   
+See http://assistant.semanticsoftware.info/job/TextMining-MuNPEx/ for a continuous integration build.