Remove version from summary and rename data to stats

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

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

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

.../main/scala/nl/lumc/sasc/biopet/extensions/Cutadapt.scala

...c/main/scala/nl/lumc/sasc/biopet/extensions/Seqstat.scala

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

...et/extensions/picard/CollectAlignmentSummaryMetrics.scala

...c/biopet/extensions/picard/CollectInsertSizeMetrics.scala

...scala/nl/lumc/sasc/biopet/extensions/seqtk/SeqtkSeq.scala

...main/scala/nl/lumc/sasc/biopet/tools/BiopetFlagstat.scala

.../src/main/scala/nl/lumc/sasc/biopet/tools/FastqSync.scala

...xtensions/picard/CollectAlignmentSummaryMetricsTest.scala

...opet/extensions/picard/CollectInsertSizeMetricsTest.scala

...cala/nl/lumc/sasc/biopet/pipelines/flexiprep/Fastqc.scala