Add MongoDB dependency

ivy.xml

@@ -100,6 +100,9 @@
     <!-- snpEff annotator for pipelines -->
     <dependency org="net.sf.snpeff" name="snpeff" rev="2.0.5" />
 
+    <!-- mongoDB for Bjorn experiments -->
+    <dependency org="org.mongodb" name="mongo-java-driver" rev="2.7.3"/>
+
     <!-- Exclude dependencies on sun libraries where the downloads aren't available but included in the jvm. -->
     <exclude org="javax.servlet" />
     <exclude org="javax.jms" />