Merge remote-tracking branch 'remotes/origin/feature-documentation' into release-0.2.0

docs/about.md

docs/cluster/oge.md

docs/config.md

docs/index.md

docs/license.md

docs/pipelines/GATK-pipeline.md

docs/pipelines/basty.md

docs/pipelines/flexiprep.md

docs/pipelines/gentrap.md

docs/pipelines/mapping.md

docs/pipelines/sage.md

docs/pipelines/yamsvp.md

docs/tools/BastyGenerateFasta.md

docs/tools/MpileupToVcf.md

docs/tools/SamplesTsvToJson.md

docs/tools/sagetools.md

mkdocs.yml

...ala/nl/lumc/sasc/biopet/pipelines/gatk/GatkPipeline.scala

.../scala/nl/lumc/sasc/biopet/tools/BastyGenerateFasta.scala