Update imports

public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/core/summary/WriteSummary.scala

@@ -15,17 +15,17 @@
  */
 package nl.lumc.sasc.biopet.core.summary
 
-import java.io.{ FileInputStream, PrintWriter, File }
-import java.security.MessageDigest
+import java.io.{ File, PrintWriter }
+import scala.collection.mutable
+import scala.io.Source
+
+import org.broadinstitute.gatk.queue.function.{ QFunction, InProcessFunction }
+import org.broadinstitute.gatk.utils.commandline.{ Output, Input }
 
 import nl.lumc.sasc.biopet.core.{ BiopetJavaCommandLineFunction, BiopetCommandLineFunction, BiopetCommandLineFunctionTrait, SampleLibraryTag }
 import nl.lumc.sasc.biopet.core.config.Configurable
 import nl.lumc.sasc.biopet.utils.ConfigUtils
-import org.broadinstitute.gatk.queue.function.{ QFunction, InProcessFunction }
-import org.broadinstitute.gatk.utils.commandline.{ Output, Input }
 
-import scala.collection.mutable
-import scala.io.Source
 
 /**
  * Created by pjvan_thof on 2/14/15.