added dependency to pieletmanager
diff --git a/core/org.eclipse.smila.processing.bpel/OSGI-INF/engine.xml b/core/org.eclipse.smila.processing.bpel/OSGI-INF/engine.xml
index 8cb392c..7079c83 100644
--- a/core/org.eclipse.smila.processing.bpel/OSGI-INF/engine.xml
+++ b/core/org.eclipse.smila.processing.bpel/OSGI-INF/engine.xml
@@ -4,4 +4,5 @@
    <service>
       <provide interface="org.eclipse.smila.processing.bpel.BpelEngine"/>
    </service>
+   <reference cardinality="1..1" interface="org.eclipse.smila.processing.bpel.activities.PipeletManager" name="PipeletManager" policy="static"/>
 </scr:component>
diff --git a/core/org.eclipse.smila.processing.bpel/OSGI-INF/pipeletmanager.xml b/core/org.eclipse.smila.processing.bpel/OSGI-INF/pipeletmanager.xml
index 2b9303e..47af580 100644
--- a/core/org.eclipse.smila.processing.bpel/OSGI-INF/pipeletmanager.xml
+++ b/core/org.eclipse.smila.processing.bpel/OSGI-INF/pipeletmanager.xml
@@ -3,6 +3,7 @@
   <implementation class="org.eclipse.smila.processing.bpel.activities.PipeletManager"/>
   <service>
      <provide interface="org.eclipse.smila.processing.PipeletTrackerListener"/>
+     <provide interface="org.eclipse.smila.processing.bpel.activities.PipeletManager"/>
   </service>
   <reference interface="org.eclipse.smila.processing.bpel.RequestTable" name="RequestTable"
     cardinality="1..1" policy="static" bind="setRequestTable" unbind="unsetRequestTable" />