Include fusions output in Tophat2 wrapper.

tools/ngs_rna/tophat2_wrapper.xml

@@ -296,6 +296,9 @@
     </inputs>
 
     <outputs>
+        <data format="tabular" name="fusions" label="${tool.name} on ${on_string}: fusions" from_work_dir="tophat_out/fusions.out">
+            <filter>(params['fusion_search']['do_search'] == 'Yes')</filter>
+        </data>
         <data format="bed" name="insertions" label="${tool.name} on ${on_string}: insertions" from_work_dir="tophat_out/insertions.bed">
             <actions>
               <conditional name="refGenomeSource.genomeSource">