Resolve "process_dedup"

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  Closes #5 (closed)

Deduplication using PICARD v 2.21.7, with associated unit (but not consistency) tests. /cc @ghenry @venkat.malladi

workflow/conf/aws_ondemand.config

@@ -13,13 +13,22 @@ process {
   cpus = 1
   memory = '1 GB'
 
+  withName:parseMetadata {
+    cpus = 5
+  }
   withName:getRef {
     cpus = 8
   }
   withName:trimData {
-    cpus = 15
+    cpus = 8
+    memory = '2 GB'
   }
   withName:alignData {
     cpus = 50
+    memory = '10 GB'
+  }
+  withName:dedupData {
+    cpus = 2
+    memory = '20 GB'
   }
 }
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