Don't output program tag

public/gatk-queue-extensions-public/src/main/qscripts/org/broadinstitute/gatk/queue/qscripts/examples/ExamplePrintReads.scala

@@ -44,6 +44,9 @@ class ExamplePrintReads extends QScript {
   @Argument(doc="One or more genomic intervals over which to operate", shortName="L", required=false)
   var intervals: Seq[String] = Nil
 
+  @Argument(doc = "Don't output a program tag", shortName = "npt", required = false)
+  var noPGTag: Boolean = _
+
   def script() {
     val printReads = new PrintReads
     printReads.reference_sequence = referenceFile
@@ -52,6 +55,7 @@ class ExamplePrintReads extends QScript {
     printReads.input_file :+= bamFile
     printReads.out = outFile
     printReads.intervalsString = intervals
+    printReads.no_pg_tag = noPGTag
     add(printReads)
   }
 }

public/gatk-queue-extensions-public/src/test/scala/org/broadinstitute/gatk/queue/extensions/gatk/QueueFeaturesQueueTest.scala

@@ -42,7 +42,8 @@ class QueueFeaturesQueueTest {
       " -S " + QueueTest.publicQScriptsPackageDir + "examples/ExamplePrintReads.scala",
       " -R " + BaseTest.publicTestDir + "exampleFASTA.fasta",
       " -I " + BaseTest.publicTestDir + "exampleBAM_with_unmapped.bam",
-      " -out " + testOut).mkString
+      " -out " + testOut,
+      " -npt ").mkString
     spec.fileMD5s += testOut -> "3134a6c732d7f235373095586bc7d470"
     QueueTest.executeTest(spec)
 
@@ -55,7 +56,8 @@ class QueueFeaturesQueueTest {
       " -R " + BaseTest.publicTestDir + "exampleFASTA.fasta",
       " -I " + BaseTest.publicTestDir + "exampleBAM_with_unmapped.bam",
       " -L chr1",
-      " -out " + testOut2).mkString
+      " -out " + testOut2,
+      " -npt ").mkString
     spec2.fileMD5s += testOut2 -> "aa33e589879c4baf6a470d22da76d885"
     QueueTest.executeTest(spec2)
   }