Merge pull request #253 from galaxyproject/blankenberg-patch-1

set collection_type="paired" in bwa-mem_v3.xml

Author: bgruening

docs/writing/bwa-mem_v3.xml

@@ -38,7 +38,7 @@
                  <param name="fastq_input1" type="data" format="fastqsanger" label="Select fastq dataset" help="Specify dataset with single reads"/>
             </when>
             <when value="paired_collection">
-                 <param name="fastq_input" type="data_collection" format="fastqsanger" label="Select dataset pair" help="Specify paired dataset collection containing paired reads" />
+                 <param name="fastq_input" format="fastqsanger" type="data_collection" collection_type="paired" label="Select dataset pair" help="Specify paired dataset collection containing paired reads" />
             </when>
         </conditional>
     </inputs>