Moved config to utils

.../lumc/sasc/biopet/pipelines/gatk/GatkVariantcalling.scala

...main/scala/nl/lumc/sasc/biopet/pipelines/gatk/Shiva.scala

...lumc/sasc/biopet/pipelines/gatk/ShivaVariantcalling.scala

.../scala/nl/lumc/sasc/biopet/pipelines/gatk/ShivaTest.scala

.../sasc/biopet/pipelines/gatk/ShivaVariantcallingTest.scala

...a/nl/lumc/sasc/biopet/pipelines/bamtobigwig/Bam2Wig.scala

...c/sasc/biopet/pipelines/bamtobigwig/BamToChromSizes.scala

...nl/lumc/sasc/biopet/pipelines/bammetrics/BamMetrics.scala

...c/sasc/biopet/pipelines/bammetrics/BammetricsReport.scala

...umc/sasc/biopet/pipelines/bammetrics/BamMetricsTest.scala

...ain/scala/nl/lumc/sasc/biopet/pipelines/basty/Basty.scala

...umc/sasc/biopet/core/BiopetCommandLineFunctionTrait.scala

...c/main/scala/nl/lumc/sasc/biopet/core/BiopetQScript.scala

...main/scala/nl/lumc/sasc/biopet/core/PipelineCommand.scala

...k/src/main/scala/nl/lumc/sasc/biopet/core/Reference.scala

...ain/scala/nl/lumc/sasc/biopet/core/SampleLibraryTag.scala

...scala/nl/lumc/sasc/biopet/core/summary/WriteSummary.scala

...src/main/scala/nl/lumc/sasc/biopet/extensions/Bgzip.scala

...rc/main/scala/nl/lumc/sasc/biopet/extensions/Bowtie.scala

...k/src/main/scala/nl/lumc/sasc/biopet/extensions/Cat.scala