Merge remote-tracking branch 'origin/develop' into feature-option_keep_files_flexiprep

docs/general/requirements.md

mkdocs.yml

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

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

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

...nl/lumc/sasc/biopet/extensions/picard/MergeSamFiles.scala

...in/scala/nl/lumc/sasc/biopet/tools/SamplesTsvToJson.scala

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

...nl/lumc/sasc/biopet/pipelines/mapping/MappingReport.scala

public/pom.xml