Resolve "Add automated download of bagit through deriva"

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• This comment contains a description of changes (with reason)
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated
• CHANGELOG.md is updated
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• Close issue
  Closes #15 (closed)

/cc @ghenry @venkat.malladi

workflow/conf/biohpc.config

@@ -4,10 +4,12 @@ process {
   clusterOptions = '--hold'
 
   // Process specific configuration
-  withName:splitData {
+  withName:getBag {
+    executor = 'local'
     container = 'docker://bicf/gudmaprbkfilexfer:1.1'
   }
   withName:getData {
+    executor = 'local'
     container = 'docker://bicf/gudmaprbkfilexfer:1.1'
   }
   withName:trimData {